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AVM Technology Logo.png
Developer(s) iS3, Inc.
Initial release 2001
Stable release / 14 March 2013; 22 months ago (2013-03-14)
Operating system Microsoft Windows
Type Anti-Virus Anti-Malware
License Trialware and Commercial Software

STOPzilla is a PC security software for the Microsoft Windows operating system. STOPzilla utilizes a proprietary AVM Technology, a multi-layered malware detection system that detects complex malicious threats while using minimal system resources. STOPzilla's AVM Technology constantly scans, detects, and quarantines malicious threats without affecting the PC's performance.


STOPzilla AVM protects the user's computer from computer viruses and malware. The current version of STOPzilla, STOPzilla AVM 2013, incorporates iS3's new AVM Technology, which uses a multi-layered defense architecture, utilizing both heuristic and behavioral detection. STOPzilla can be installed in hostile environments where an infection has already occurred, and its built in anti-rootkit technology allows it to detect malicious threats that might affect the Master Boot Record. STOPzilla also features a self-protection mechanism that prevents malware from attacking its files and resources, thereby ensuring functionality in the event of an infection.


STOPzilla AVM is initially offered as a fifteen day free trial. During this trial period, any active threats are detected and quarantined by STOPzilla's 'Real-Time protection'. Any new threats that attempt to execute or become active will also be quarantined by the True Real-Time protection. Any latent or dormant threats residing on the PC will be detected when a full system scan or scheduled scan is performed. The trial version allows you to quarantine the threats so they can no longer damage the computer, but to remove them from the machine, you need to register.


STOPzilla has received mixed reviews. On 30 January 2005, Laptop Magazine praised STOPzilla for its ability to handle spyware and adware. It mentioned the lack of support for web browsers other than Internet Explorer as the product's only drawback. It did not specify exactly which version of the product it has reviewed.[1]

On 26 July 2007, PC Magazine reviewed STOPzilla 5.0, giving it a score of 3.5 out of 5. PC Magazine said “STOPzilla has a cute name, but it costs more than the best standalone antispyware programs and does less.” It took note of STOPzilla's mediocre malware removal capabilities and its lack of sufficient support for web browsers other than Internet Explorer.[2]

STOPzilla 5.0 has thrice received West Coast Labs Checkmark Certification in the field of Anti-spyware (Installed).[3]

iS3 acquired PCSecurityShield from Arthur Frischman on 12/31/2008.[citation needed]

After undergoing major restructuring in early 2012, STOPzilla's publisher, iS3, revamped the product and brand, and with it the creation of the AVM technology. Since then, STOPzilla AVM has received positive reviews[4] , such as a 100% detection score from West Coast Labs.[5]

See also[edit]


  1. ^ Distel, Edward (30 January 2005). "STOPzilla". Laptop Magazine (Bedford Communications, Inc.). Retrieved 29 June 2009. 
  2. ^ Rubenking, Neil J. (26 July 2007). "Security's Dirty Dozen". PC Magazine (Ziff Davis, Inc). Retrieved 5 August 2010. 
  3. ^ "STOPzilla - iS3 — Antispyware (Installed)". Checkmark Certifications. West Coast Labs. Retrieved 5 August 2010. 
  4. ^ "STOPzilla AVM 2013 Review". David Balaban. Privacy PC. Retrieved 7 September 2012. 
  5. ^ "iS3’s Newest STOPzilla AVM Receives a 100% Score From West Coast Labs". Checkmark Certifications. West Coast Labs. Retrieved 6 September 2012. 

External links[edit]