AVG AntiVirus

Not to be confused with AntiVirus Gold.
Developer(s) Avast Software[1]
Stable release
2016.0.7294 / 1 December 2015 (2015-12-01)
Operating system Microsoft Windows, Windows Phone, Android, iOS, and OS X
Type Security software, antivirus software
License Freeware, proprietary software
Website avg.com

AVG AntiVirus (previously just AVG, abbreviation of Anti-Virus Guard) is a family of anti-virus and Internet security software marketed[2] and developed[1] by Avast Software.[1][2] It was previously developed by AVG Technologies, a publicly traded Czech company formerly known as Grisoft,[3] that was acquired by Avast in 2016. It is available for Microsoft Windows, Windows Phone, Android, iOS, and OS X.


Main article: AVG Technologies

The brand AVG comes from Grisoft's first product, "Anti-Virus Guard", launched in 1992 in Czechoslovakia. In 1997, the first AVG licenses were sold in Germany and UK. AVG was introduced in the U.S. in 1998.[4]

The AVG Free Edition helped raise awareness of the AVG product line.[5] In 2006, the AVG security package grew to include anti-spyware, as AVG Technologies acquired ewido Networks, an anti-spyware group. That same year, Microsoft announced that AVG components would be available directly within the Windows Vista operating system. AVG Technologies acquired Exploit Prevention Labs (XPL) in December 2007, and incorporated that company's LinkScanner safe search and surf technology into the AVG 8.0 security product range released in March 2008. In January 2009, AVG Technologies acquired Sana Security, a developer of identity theft prevention software. This software was incorporated into the AVG security product range released in March 2009.

According to AVG Technologies, the company has more than 200 million active users worldwide, including more than 100 million who use their products and services on mobile devices.[6]


Versions for Windows desktop clients

AVG Technologies provides a number of products from the AVG range, suitable for Windows 2000 onwards. In addition to this, AVG Technologies also provides Mac OS X versions of the software. AVG Anti-Virus 9.0 is available in free and commercial editions. AVG 9.0 has identity theft protection through a partnership with Intersections Inc., AVG 9.0 also adds white listing, behavioral protection and cloud operations to their signature-based blocking. The software adds the Resident Shield, firewall, and identity protection modules. The LinkScanner component has been improved to cut phishing threats further.[7] Version 9 was the last version compatible with Windows 2000.

For desktop protection of PC's running Windows, the AVG solutions include:

AVG Free Edition has previously been responsible for popup ads advertising the non-free versions of AVG Anti-Virus and AVG Internet Security, which claim to provide more comprehensive levels of protection.[12][13] AVG Anti-Virus 8.5 Free Edition users are now also subject to a daily pop-up advertising campaign for a "recommended upgrade" to AVG Internet Security. A "manager" on the AVG free version forum states that this advertisement appears once per day for one month each year.[14]

AVG paid license version will intermittently display popup ads advertising additional AVG products such as AVG's Quick Tune product. This advertising cannot be disabled.

The AVG license agreement includes a clause (Section 9) authorizing AVG to collect, from your computer, any Non-Personally Identifiable Information they desire and to share it with their business partners anywhere in the world. It also authorizes AVG to track your computer usage.

All versions of the AVG products, excluding AVG Anti-Rootkit Free Edition (now discontinued), are compatible with the 64-bit edition of Windows.

Versions for servers

AVG Technologies also sells AVG anti-virus and Internet security solutions for web/file servers or email servers running Windows.

Mobile Security[15]

For Android

Antivirus & Protection
Mobile Performance
Privacy Protection

For iOS


A joint project of AVG and Israeli start-up Zbang, Multimi is a free Windows desktop and iPad app for organizing and sharing content between multiple inboxes, social networks, calendars, and media albums.


AVG PC TuneUp is an application designed to speed up the computer by removing files that may slow down the operating system and optimizing some of its settings. If a user does not purchase this product when purchasing the anti-virus product, then AVG will intermittently display popup ads to entice one to purchase the product.

AVG Driver Updater

AVG PC Driver Updater is an application designed to scan and easily update outdated device drivers on Windows computers.


AVG features most of the common functions available in modern anti-virus and Internet security programs, including periodic scans, scans of sent and received emails (including adding footers to the emails indicating this), the ability to "repair" some virus-infected files, and a quarantine area ("virus vault") in which infected files are held.


The patent pending LinkScanner technology acquired from Exploit Prevention Labs and built into most AVG products, provides real-time updated protection against exploits and drive-by downloads. LinkScanner includes: Search-Shield – a safe search component that places safety ratings next to each link in Google, Yahoo! and MSN search results; plus Active Surf-Shield – a safe surf component that scans the contents of a web site in real-time to ensure it's safe being opened.[16] Concerns regarding web analytics have made LinkScanner a controversial component (see below "LinkScanner Concerns").

LinkScanner Concerns

When AVG 8.0 was first released, its LinkScanner safe search feature was shown to cause an increase in traffic on web sites that appear high in search engine results pages. Since LinkScanner disguises the scans as coming from an Internet Explorer 6 browser when it prescans each site listed in the search results, web site usage logs showed incorrect and overinflated site visitor statistics. The prescanning of every link in search results also caused web sites to transfer more data than usual, resulting in higher bandwidth usage for web site operators and slow performance for users.[17] AVG initially said site administrators would be able to filter the LinkScanner traffic out of their site statistics, leaving the problem of excess bandwidth usage still to be solved.[18] Pay-per-click advertising was not affected by the increase in traffic.[19]

AVG Online Shield

AVG Online Shield is a feature, designed to check files and ensure that they are safe. Only then it downloads them on your computer. AVG Online Shield also ensures your safety while you exchange files via instant messenger and VoIP clients like MSN and Yahoo! and ICQ.[20]

In response to complaints, AVG announced that as of 9 July 2008 "Search-Shield will no longer scan each search result online for new exploits, which was causing the spikes that webmasters addressed with us",[21] releasing a new build on that date that applies a local blacklist, then prefetches and scans only those links clicked on by the user.[22]


In September 2015, AVG announced that it would start tracking users for profit, analyzing their data for sale to the advertising industry. This measure received criticism from consumers, the press and security industry, as many users intended to use the software in order to protect themselves from spyware and would not expect the functions of spyware to be "hidden" in security software.[23]

As of 2014, there are numerous reports dating back to 2012 that the AVG SafeGuard Toolbar installs itself without the consent of the user, as a side effect of installing other applications. The toolbar program appears to cause significant RAM issues and can be considered an intrusive potentially unwanted program (PUP). Once installed, the AVG toolbar is virtually impossible to remove. The toolbar uninstaller does not function, instead re-installing the add-on if manually removed. Consequently, many discussions and blog posts have described complex procedures for removal of the AVG toolbar, each with very mixed results.[24][25][26][27][28][29]

AVG published lab test results of AVG PC TuneUp.[30] While AVG claim that Microsoft Hardware guidelines were used for proper testing, there are no provable references to such guidelines in the Performance Test Whitepaper. Given that there are no proven records of the Test being verifiable, the results can be considered unfair or fabricated.

In December 2015, the "AVG Web TuneUp" Google Chrome extension (automatically installed with AVG AntiVirus) was revealed to contain multiple critical security vulnerabilities.[31] Most notably, Chrome users' browsing history could be exposed to any website, cookies from any site the user has visited could be read by an attacker, and trivial cross-site scripting (XSS) issues could allow any website to execute arbitrary code (as another domain).

The XSS vulnerability allowed a user's mail from "mail.google.com" to be read by any website, or financial information to be read from the user's online banking site. The AVG team fixed this by only allowing "mysearch.avg.com" and "webtuneup.avg.com" to execute these scripts. Despite this remediation, attackers could leverage any of these attacks if an XSS vulnerability was found on the AVG sites. As of April 2016, Web TuneUp was still not available for download from the AVG website.


AVG Anti-Virus was certified by ICSA Labs.[32] AVG Antivirus Free 2012 was selected as PC Magazine Editors Choice in the free antivirus category.[33] AVG AntiVirus FREE 2013 received a 5 out of 5 star rating on CNET's Download.com.[34] AVG AntiVirus Free has been awarded as one of the best free antivirus of all time.[35] AVG AntiVirus Free 2014 received a 4.5 out of 5 star rating on Download.com.[36] AVG AntiVirus Free 2015 received a 4 out of 5 star rating and the Editor Choice badge of SoftChamp.[37] Bear in mind these are all paid reviews.

See also


  1. 1 2 3 "FREE 2016: Developer: Avast Software s.r.o.". Google Play. Retrieved October 31, 2016.
  2. 1 2 "Avast Closes Acquisition of AVG Technologies". Business Wire. September 30, 2016. Retrieved October 31, 2016.
  3. "Leading Internet security vendor, GRISOFT, changes name to AVG Technologies". Avg.com. Retrieved 26 December 2013.
  4. "AVG Technologies Celebrates 15 Years of Internet Security Success". Avg.com. Retrieved 22 November 2012.
  5. "GRISOFT viert 15 jaar van successen met internetbeveiliging | AVG Nederland". Avg.com. 5 December 2006. Retrieved 22 November 2012.
  6. "AVG Surpasses 200 Million Users Worldwide". Now.avg.com. Retrieved 11 March 2015.
  7. Seltzer, Larry (5 October 2009). "New AVG 9.0 Suite Speeds Up, Adds Protection | News & Opinion". PCMag.com. Retrieved 9 November 2010.
  8. "AVG | Antivirus en internetbeveiliging | Virusbeveiliging | AVG Nederland". Ewido.net. Retrieved 22 November 2012.
  9. "About AVG". thepcsecurity.com. Retrieved 2016-05-20.
  10. "AVG Antivirus for Everyone". Retrieved 16 November 2016.
  11. "Ondersteuningsforum en discussieforum van AVG | AVG Nederland". Freeforum.avg.com. Retrieved 22 November 2012.
  12. "Avg 7.5 Constant Pop Up Ad Window". Bleepingcomputer.com. Retrieved 22 November 2012.
  13. "AVG pro 7.5 annoying pop-up till December?". Dslreports.com. Retrieved 22 November 2012.
  14. "Ondersteuningsforum en discussieforum van AVG | AVG Nederland". Forums.avg.com. Retrieved 22 November 2012.
  15. "AVG FREE Apps for Android - Mobile Security & Performance". AVG.com. Retrieved 17 December 2015.
  16. "Veelgestelde vragen | AVG Nederland". Avg.com. Retrieved 22 November 2012.
  17. "AVG Disguises Fake Traffic As IE6". Theregister.co.uk. Retrieved 22 November 2012.
  18. "AVG update disguises LinkScanner traffic as IE6". Techspot.com. Retrieved 22 November 2012.
  19. "LinkScanner could be behind surge in web traffic". Virusbtn.com. Retrieved 22 November 2012.
  20. "AVG security features". AVG.com. Retrieved 10 February 2015.
  21. "AVG Responds to Fake Traffic Spikes". Networkinstruments.wordpress.com. Retrieved 22 November 2012.
  22. "Grisoft modifies its free AVG product after complaints". News.cnet.com. Retrieved 22 November 2012.
  23. Beuth, Patrick. "Antivirensoftware benimmt sich künftig wie Spyware". ZEIT ONLINE. Retrieved 2015-09-23.
  24. ""AVG Secure Search" is obviously a kind of malware that attaches itself to FF. Is Mozilla working on killing it?". Retrieved 17 December 2015.
  25. "AVG Toolbar & Secure Search: How do I remove it from my browser & PC?". ReviverSoft Blog. Retrieved 17 December 2015.
  26. "How to remove Nation Toolbar — Search.nation.com redirect (Removal) - Tech & Internet Security — News & Guides". Retrieved 17 December 2015.
  27. "How to Remove AVG SafeGuard Toolbar and AVG Secure Search". Retrieved 17 December 2015.
  28. Completely Remove AVG safeguard toolbar
  29. Emil Protalinski. "AVG Security Toolbar is the worst foistware I've ever seen". ZDNet. Retrieved 17 December 2015.
  30. "AVG PC TuneUp test results" (PDF).
  31. "Issue 675: AVG: "Web TuneUP" extension multiple critical vulnerabilities". 15 December 2015. Retrieved 29 December 2015.
  32. "ICSA Labs". ICSA Labs. Retrieved 22 November 2012.
  33. Rubenking, Neil J. "AVG Anti-Virus Free 2012 Review & Rating". PCMag.com. Retrieved 22 November 2012.
  34. "AVG AntiVirus FREE 2013 - CNET Download.com". Download.cnet.com. Archived from the original on 7 February 2013. Retrieved 22 November 2012.
  35. "Top 5 Free antivirus Programs of all time". Tech4idiots.org.
  36. Tom McNamara. "AVG AntiVirus Free". Download.com. CBS Interactive. Retrieved 17 December 2015.
  37. "Download AVG AntiVirus Free". SoftChamp.com. Retrieved 16 February 2015.

External links

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