Avast Software s.r.o. is a Czech
multinational cybersecurity software company headquartered in
Prague
Prague ( ; ) is the capital and List of cities and towns in the Czech Republic, largest city of the Czech Republic and the historical capital of Bohemia. Prague, located on the Vltava River, has a population of about 1.4 million, while its P ...
,
Czech Republic
The Czech Republic, also known as Czechia, and historically known as Bohemia, is a landlocked country in Central Europe. The country is bordered by Austria to the south, Germany to the west, Poland to the northeast, and Slovakia to the south ...
, that
researches and develops computer security software,
machine learning
Machine learning (ML) is a field of study in artificial intelligence concerned with the development and study of Computational statistics, statistical algorithms that can learn from data and generalise to unseen data, and thus perform Task ( ...
, and
artificial intelligence
Artificial intelligence (AI) is the capability of computer, computational systems to perform tasks typically associated with human intelligence, such as learning, reasoning, problem-solving, perception, and decision-making. It is a field of re ...
. Avast had more than 435 million monthly active users
and the second largest market share among
anti-malware application vendors worldwide as of April 2020.
As of 2018, the company had approximately 1,700 employees across its 25 offices worldwide.
In July 2021,
NortonLifeLock
Gen Digital Inc. (formerly Symantec Corporation and NortonLifeLock Inc.) is a multinational software company co-headquartered in both Prague, Czech Republic (European Union, EU) and Tempe, Arizona (United States, USA). The company provides comp ...
, an American cybersecurity company, announced that it was in talks to
merge with Avast Software. In August 2021, Avast's board of directors agreed to an offer of US$8 billion.
Avast was founded by
Pavel Baudiš and
Eduard Kučera in 1988 as a
cooperative
A cooperative (also known as co-operative, coöperative, co-op, or coop) is "an autonomy, autonomous association of persons united voluntarily to meet their common economic, social and cultural needs and aspirations through a jointly owned a ...
. It had been a
private company since 2010 and had its
IPO in May 2018. In July 2016, Avast acquired competitor
AVG Technologies
AVG Technologies B.V. is a brand of cybersecurity, privacy, performance and utility software applications for desktop computers and mobile devices developed by Avast, a part of Gen Digital. AVG was a cybersecurity software company founded in 199 ...
for $1.3 billion. At the time, AVG was the third-ranked antivirus product. It was
dual-listed on the
Prague Stock Exchange and on the
London Stock Exchange
The London Stock Exchange (LSE) is a stock exchange based in London, England. the total market value of all companies trading on the LSE stood at US$3.42 trillion. Its current premises are situated in Paternoster Square close to St Paul's Cath ...
and was a constituent of the
FTSE 100 Index
The Financial Times Stock Exchange 100 Index, also called the FTSE 100 Index, FTSE 100, FTSE, or, informally, the "Footsie" , is the United Kingdom's best-known stock market index of the 100 most highly capitalised blue chips listed on ...
until it was acquired by NortonLifeLock in September 2022.
The company's main product is
Avast Antivirus, along with tools such as the
Avast Secure Browser and the
Avast SecureLine VPN.
Avast produces Avast Online Security, which is its main
extension, but it also has extensions like Avast SafePrice and Avast Passwords.
History
Avast was founded by
Eduard Kučera and
Pavel Baudiš in 1988.
The founders met each other at the Research Institute for Mathematical Machines in Czechoslovakia.
They studied math and computer science, because the Communist Party of Czechoslovakia would require them to join the communist party to study physics.
At the institute, Pavel Baudiš discovered the Vienna virus on a floppy disk and developed the first program to remove it.
Afterwards, he asked Eduard Kučera to join him in cofounding Avast as a cooperative.
The cooperative was originally called Alwil and only the software was named Avast.
The cooperative was changed to a joint partnership in 1991, two years after the
velvet revolution
The Velvet Revolution () or Gentle Revolution () was a non-violent transition of power in what was then Czechoslovakia, occurring from 17 November to 28 November 1989. Popular demonstrations against the one-party government of the Communist Pa ...
caused a regime change in
Czechoslovakia
Czechoslovakia ( ; Czech language, Czech and , ''Česko-Slovensko'') was a landlocked country in Central Europe, created in 1918, when it declared its independence from Austria-Hungary. In 1938, after the Munich Agreement, the Sudetenland beca ...
. The new regime severed ties with the
Soviet Union
The Union of Soviet Socialist Republics. (USSR), commonly known as the Soviet Union, was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 until Dissolution of the Soviet ...
and reverted the country's economic system to a
market economy
A market economy is an economic system in which the decisions regarding investment, production, and distribution to the consumers are guided by the price signals created by the forces of supply and demand. The major characteristic of a mark ...
.
In 1995, Avast employee wrote the first antivirus program for the
Windows 95
Windows 95 is a consumer-oriented operating system developed by Microsoft and the first of its Windows 9x family of operating systems, released to manufacturing on July 14, 1995, and generally to retail on August 24, 1995. Windows 95 merged ...
operating system.
In the 1990s, security researchers at the Virus Bulletin, an IT security testing organization, gave the Avast software an award in every category tested, increasing the popularity of the software.
However, by the late 1990s, the company was struggling financially.
Alwil rebuffed acquisition offers by
McAfee
McAfee Corp. ( ), formerly known as McAfee Associates, Inc. from 1987 to 1997 and 2004 to 2014, Network Associates Inc. from 1997 to 2004, and Intel Security Group from 2014 to 2017, is an American proprietary software company focused on online ...
, who was licensing the Avast antivirus engine.
By 2001, Alwil was experiencing financial difficulties, when it converted to a freemium model, offering a base Avast software product at no cost.
As a result of the freemium model, the number of users of the software grew to one million by 2004
and 20 million by 2006.
Former Symantec executive
Vince Steckler was appointed CEO of Avast in 2009.
In 2010, Alwil changed its name to Avast, adopting the name of the software,
and raised $100 million in venture capital investments. The following December, Avast filed for an
initial public offering
An initial public offering (IPO) or stock launch is a public offering in which shares of a company are sold to institutional investors and usually also to retail (individual) investors. An IPO is typically underwritten by one or more investm ...
, but withdrew its application the following July, citing changes in market conditions.
In 2012, Avast fired its outsourced tech support service iYogi, after it was discovered that iYogi was using misleading sales tactics to persuade customers to buy unnecessary services.
By 2013, Avast had 200 million users in 38 countries and had been translated into 43 languages.
At the time, the company had 350 employees.
In 2014, CVC Capital bought an interest in Avast for an undisclosed sum. The purchase valued Avast at $1 billion.
Later that year, Avast acquired mobile app developer Inmite in order to build Avast's mobile apps.
Additionally, Avast's online support forum was compromised in 2014, exposing 400,000 names, passwords and email addresses.
By 2015, Avast had the largest share of the market for antivirus software.
In July 2016, Avast reached an agreement to buy AVG for $1.3 billion.
AVG was a large IT security company that sold software for desktops and mobile devices.
In July 2017, Avast acquired UK-based
Piriform for an undisclosed sum. Piriform was the developer of
CCleaner
CCleaner (; originally meaning "Crap Cleaner"), developed by Piriform Software, is a Utility software, utility used to clean potentially unwanted files and invalid Windows Registry entries from a computer. It is one of the longest-established s ...
.
Shortly afterwards it was disclosed that someone may have created a malicious version of CCleaner with a backdoor for hackers.
Avast had its
IPO on the London Stock Exchange in May 2018, which valued it at £2.4bn and was one of the UK's biggest technology listings.
assumed the role of CEO and co-owner of Avast Plc in July 2019.
A day later, he changed his annual pay to $1 and pledged his board director's compensation of $100,000 to charity.
In October 2019,
Jaya Baloo joined Avast as their Chief Information Security Officer.
In April 2020, Avast released a new secure, private mobile web browser for Android based on technology acquired from previously unreported acquisition of Tenta, a Seattle-based startup.
In July 2021,
NortonLifeLock
Gen Digital Inc. (formerly Symantec Corporation and NortonLifeLock Inc.) is a multinational software company co-headquartered in both Prague, Czech Republic (European Union, EU) and Tempe, Arizona (United States, USA). The company provides comp ...
, an American cybersecurity company, announced that it is in talks to
merge with Avast Software. In August 2021, Avast's board of directors agreed to an offer of US$8 billion. In September 2022, the
Competition and Markets Authority
The Competition and Markets Authority (CMA) is the principal competition regulator in the United Kingdom. It is a non-ministerial government department in the United Kingdom, responsible for promoting competitive markets and tackling unfair beh ...
approved the proposed takeover by NortonLifeLock so allowing the transaction to be completed.
Products
Avast develops and markets business and consumer IT security products for servers, desktops, and mobile devices.
The company sells both the Avast product line and the acquired AVG-branded products.
As of late 2017, the company had merged the AVG and Avast business product lines and were working to integrate the corporate departments from both companies.
Additionally, Avast has developed utility software products to improve battery life on mobile devices, cleanup unnecessary files on a hard drive, find secure wireless networks
or create a VPN connection to the internet.
Avast and AVG consumer security software are sold on a
freemium model, where basic security features are free, but more advanced features require purchasing a premium version.
The free version is also supported by ads.
Additionally, all Avast users provide data about their PC or mobile device to Avast, which is used to identify new security threats.
Antivirus scanning, browser cleanup, a secure browser, password management, and network security features are provided for free, while firewall, anti-spam, and online banking features have to be purchased.
About 3% of Avast's users pay for a premium version (10% in the US).
The Avast business product family includes features for endpoint protection, Wi-Fi security, antivirus, identity protection, password management, and data protection.
For example, the desktop product will look for vulnerabilities in the wi-fi network and run applications suspect of having malicious software in an isolated sandbox.
The Avast Business Managed Workplace monitors and manages desktops, and assesses on-site security protocols.
The company also sells management software for IT administrators to deploy and manage Avast installations.
Reception
In 2021,
''PC Magazine'' gave Avast Free Antivirus software an overall score of 4 out of 5 and gave AVG, which was purchased by Avast in 2016, a score of 4, plus "AVG AntiVirus Free offers precisely the same virus protection engine as Avast Free Antivirus, but it lacks the impressive collection of additional features you get with Avast." In tests conducted by the
AV-TEST
AV-TEST is an independent organization which evaluates and rates antivirus and security suite software for Microsoft Windows, macOS and Android operating systems, according to a variety of criteria. The organisation is based in Magdeburg, Germany ...
Institute in August 2021, Avast and AVG received six out of six points for protection and usability, and six out of six points for performance. A review in Tom's Guide says that the free Avast antivirus product has "good protection against malware" and takes up little space on the system. The review says that Avast has a competitive set of features for a free antivirus product, but the scans are sometimes not very fast.
The Avast antivirus product for business users received 4 out of 5 by
TechRadar in 2017.
The review said that the software had good features, protection, configuration and an "excellent interface", but it took up a lot of hard disk space and did not cover mobile devices.
According to Tom's Guide, the mobile version is inexpensive and packed with features. PC Magazine said that the mobile version "has almost all the security features you could want."
AVG has also generally performed well in lab tests. A review in Tom's Hardware gave the AVG software seven out of ten stars.
The review highlighted that the software has a small system footprint and has good malware protection, but does not have a quick scan option and lacks many additional features.
Collection and sale of user data
In late 2019, Avast
browser extension
A browser extension is a software module for customizing a web browser. Browsers typically allow users to install a variety of extensions, including user interface modifications, cookie management, ad blocking, and the custom scripting and st ...
s were found to collect user data, including browsing behavior and history, and send it to a remote server. The discovery led to the extensions of the Avast and AVG brands being temporarily removed from the
Google Chrome
Google Chrome is a web browser developed by Google. It was first released in 2008 for Microsoft Windows, built with free software components from Apple WebKit and Mozilla Firefox. Versions were later released for Linux, macOS, iOS, iPadOS, an ...
,
Firefox
Mozilla Firefox, or simply Firefox, is a free and open-source web browser developed by the Mozilla Foundation and its subsidiary, the Mozilla Corporation. It uses the Gecko rendering engine to display web pages, which implements curr ...
and
Opera
Opera is a form of History of theatre#European theatre, Western theatre in which music is a fundamental component and dramatic roles are taken by Singing, singers. Such a "work" (the literal translation of the Italian word "opera") is typically ...
extension stores, however, they returned a short time later as there was no concrete evidence that demonstrated a breach of private data of the users.
In January 2020, a joint investigation by
Motherboard
A motherboard, also called a mainboard, a system board, a logic board, and informally a mobo (see #Nomenclature, "Nomenclature" section), is the main printed circuit board (PCB) in general-purpose computers and other expandable systems. It ho ...
and
PCMag
''PC Magazine'' (shortened as ''PCMag'') is an American computer magazine published by Ziff Davis. A print edition was published from 1982 to January 2009. Publication of online editions started in late 1994 and continues .
Overview
''PC Magaz ...
found that the
Avast Antivirus and
AVG AntiVirus Free version were collecting user data, which was being resold to personalize advertising through a subsidiary, Jumpshot. The leaked documents showed that Jumpshot offered to provide its customers with "Every search. Every click. On every site." from more than 100 million compromised devices. In response, Avast announced on January 30, 2020, that it would immediately shut down Jumpshot and cease all operations due to the backlash of its users' data privacy.
On the basis of the information revealed, on 11 February 2020 the Czech Office for Personal Data Protection announced that it had initiated a preliminary investigation.
In February 2024, the
Federal Trade Commission
The Federal Trade Commission (FTC) is an independent agency of the United States government whose principal mission is the enforcement of civil (non-criminal) United States antitrust law, antitrust law and the promotion of consumer protection. It ...
fined Avast $16.5 million for collecting user data and reselling that data. In February 2025, settlement notices were sent to Avast customers by email.
See also
*
Comparison of antivirus software
References
External links
*
{{Authority control
1988 establishments in Czechoslovakia
Software companies of the Czech Republic
Multinational companies headquartered in the Czech Republic
Companies based in Prague
Software companies established in 1988
Czech brands
Computer security software companies
Companies formerly listed on the London Stock Exchange
Former cooperatives
Gen Digital acquisitions
2018 initial public offerings
2022 mergers and acquisitions
Companies in the PX Index
Companies in the Central European Blue Chip Index
CVC Capital Partners companies