Home Malware Programs Trojans TROJ_FAKEAV.CLS

TROJ_FAKEAV.CLS

Posted: February 24, 2012

Threat Metric

Ranking: 9,267
Threat Level: 2/10
Infected PCs: 47,573
First Seen: February 24, 2012
Last Seen: October 4, 2023
OS(es) Affected: Windows

TROJ_FAKEAV.CLS is a Trojan downloader that's used to install fake anti-virus applications and related PC threats. Due to TROJ_FAKEAV.CLS's recent stream of propagation throughout fake Amy Winehouse news sites, SpywareRemove.com malware experts warn to exercise caution for unusual sites that appear in search results, even if a reputable search engine is used. However, at the time of this writing, all confirmed TROJ_FAKEAV.CLS-distributing sites that use standard search engine exploits to modify their listings have been shut down by appropriate authorities, and TROJ_FAKEAV.CLS's brief reign of terror may already be over. Despite this, since TROJ_FAKEAV.CLS circumvents your computer's security and can be a significant danger to your PC, you should be prepared to remove TROJ_FAKEAV.CLS via a reputable anti-malware product's scan as soon as you suspect even the slightest possibility of TROJ_FAKEAV.CLS being on your computer.

TROJ_FAKEAV.CLS – a Scamware Assistant That's Happy to Vanish at a Moment's Notice

Although TROJ_FAKEAV.CLS uses standard Windows Registry-based exploits to launch itself and can, thus, be detected by anti-malware programs without difficulty, TROJ_FAKEAV.CLS does use other functions to hide itself from standard scans. TROJ_FAKEAV.CLS will terminate its own process temporarily if TROJ_FAKEAV.CLS detects sandbox utilities, virtual machine tools, anti-malware scanners or related types of security applications. This may make it difficult to find or remove TROJ_FAKEAV.CLS, and SpywareRemove.com malware researchers recommend that you start initial scans for TROJ_FAKEAV.CLS in Safe Mode and make sure that your anti-malware software has an up-to-date threat database.

TROJ_FAKEAV.CLS may also act to block anti-malware utilities and other programs from running, once again, due to Windows Registry changes – in this case, changes that exploit Windows' debugging function to launch a modified version of the program. TROJ_FAKEAV.CLS was first reported in the middle of 2011, but recent attacks were noted to distribute TROJ_FAKEAV.CLS via malicious websites in 2012. Naturally, SpywareRemove.com malware analysts recommend that you treat any potential TROJ_FAKEAV.CLS infection as a significant danger to your computer's security that should be removed with nigh-violent haste.

How TROJ_FAKEAV.CLS Gets to Your PC and the Results of Its Work

Modern TROJ_FAKEAV.CLS attacks are noted for their presence on malicious websites that exploited black hat SEO (in other words, search engine optimization) techniques to force themselves to the top of results lists for popular search engines. TROJ_FAKEAV.CLS has, so far, been noted to limit itself to sites that claim to offer news about the demise of Amy Winehouse, and although all such identified sites have been closed, other sites may continue TROJ_FAKEAV.CLS's propagation scheme in the future.

When TROJ_FAKEAV.CLS does have access to websites that allow TROJ_FAKEAV.CLS to update itself and continue its other functions, TROJ_FAKEAV.CLS will try to download and install malware without permission – including rogue anti-malware, security or system analysis products. SpywareRemove.com malware research team recommends that you be cautious about the possibility of fake alerts and warning messages that are often a byproduct of the presence of TROJ_FAKEAV.CLS's payload. TROJ_FAKEAV.CLS is specific to Windows 2000, Server 2003 and Windows XP, and you have the leisure of considering yourself safe from TROJ_FAKEAV.CLS if you use a different OS.

Technical Details

Additional Information

The following URL's were detected:
1firstofall1.com
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