Protecting over 200 million PCs, Macs, & Mobiles – more than any other antivirus


Posts Tagged ‘fake av’
April 20th, 2012

Malware ate my homework

Missing homework used to be blamed on the family dog, but now the focus has shifted to the computer. And sometimes – as this user note shows – malware really is to blame.

“My avast! Free version will not let me check teacher’s blogs at my daughter’s high school website.  avast! just started blocking this site about 1 week ago.  We can’t find any way on avast! Free to “allow” a trusted site.  What do we do?” wrote a concerned parent from Harrison High School in Georgia.

The problem was not with avast! – the school’s site ( really did have an infection.

“For unprotected visitors, it was the same schema as usual, says Jan Sirmer, analyst at the AVAST Virus Lab. “A screen with a fake AV appears in browser and forces you to download that AV and pay money for it.”

“The attack, not surprisingly :), focused on WordPress,” he adds. “There were redirections to sub-sites at There we detected more sites such as and Those sites redirected visitors to a site with the rogue antivirus.”

In this case, the concerned parents did the right thing. Instead of switching their avast! off to they could visit this “trusted” site, they wrote a note to the AVAST Virus Lab. That likely saved them from installing a fake antivirus on their computer. Read more…

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September 16th, 2010

Accurate file names – part 2

Malware writers seem to never sleep and this time their activity refers also to my last article (published yesterday). How is it possible? When I used google today to find references to my blog post, these results appeared:

google search results

Read more…

April 1st, 2010

Misdirection on the Internet

Having over 100 million users has its downside—it means that users searching for Avast are also a prime target of scammers as well as legitimate companies trying to piggy-back on our name recognition. Every day we receive complaints from people that have been scammed. Some have been scammed into paying to download a free copy of Avast. Others have been tricked into buying a product they thought was Avast but was not. This happens in many different ways but at the core is the greatest scourge of the internet—socially engineered scams and deceptions. Thieves and even legitimate companies are masters at taking advantage of people’s natural penchant to trust others. Some scams are quite blatant and most of us would consider them theft or cheating. Others are much less obvious and may even be considered zealous marketing and selling. One finds such deceptions in search results, on download sites, and even in internet domain names. Read more…