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Posts Tagged ‘false positive’
October 25th, 2013

Google flagged PHP.net as suspicious website

PHP.net users that would like to access php.net were unpleasantly surprised today. Google flagged the website as suspicious and users of the Google Chrome and Mozilla Firefox browsers saw a security warning when they tried to visit the website.

php_mozilla

According to the Google diagnostic page, suspicious content was found on php.net on October 23rd, 2013. Three domains were mentioned; cobbcountybankruptcylawyer.com, stephaniemari.com, and northgadui.com (owned by the same GoDaddy account) which were said to distribute malware to visitors of the site. Read more…

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May 11th, 2012

Deeper and deeper

Don’t worry, we’re not gonna watch movies marked with an asterisk :P . However, from the malware analyst’s point of view, following lines might be somehow “spicy”. We’ll take a look at a suspected false positive promoted as a regular GameMaster setup. The file appeared in our FP submission system with an usual comment “it’s clean” or something like that, thus we can only guess that the file has not been obtained from official source.
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April 23rd, 2012

AVAST gets Advanced Plus rating in AV-Comparatives’ Test

Avast! Free Antivirus 7 has the distinction of being the only free antivirus to receive the Advanced Plus certification rating from the annual “On-Demand Detection of Malicious Software” test from Anti-Virus Comparatives.

Approximately 300,000 pieces of malware were used in the testing, and avast! Free Antivirus 7 detected 98% of them; the highest detection rate of all tested free solutions which outperformed a number of paid-for products from other AV vendors. Complementing the high malware detection rate, avast! was also recognized for detecting few false positives during the test. The number of avast! false alarms was 14. The average was 48 false positives. Avast! Free Antivirus 7 is the only free antivirus to receive the Advanced Plus certification rating.

AV-Comparatives chooses which antivirus products are to be tested from a field of internationally well-known, up-to-date antivirus products. In order to ensure that test results give a complete and accurate picture of a product’s capabilities, AV-Comparatives has strict rules about which tests every product must take part in, and which tests are optional. A dynamic “real world” protection test is conducted which measures file-detection rates, the number of false positive alerts raised, as well as other tests that cover different features of the products.

September 13th, 2011

Three strikes and you’re out

Don’t worry, this article is not about baseball, something which I find boring (well, reading sporadic gossip from Virus Lab might be boring as well). We are talking about “unwise” people here. Frankly, I would like to use some harder adjective (unwise is a real euphemism), but it’s up to you to give them a proper name :-) . So, let me show you the chain of events that resulted in these strikes — and let you make your own decision.

FP submissions

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February 18th, 2011

Finding the virus, finding the cure

The main role of antivirus being of course to catch viruses, borrowing computer terminology from the human environment is fitting… virus spreads from machine to machine, infecting them just like a flu. And just like in the case of influenza or other virus-type diseases, knowing the virus is the first step to a cure.

In the case of computers, it gets slightly complicated, because while nature presents a new influenza subtype about once a year and only now and then does it really get out of hand, virus creators are getting much faster at “turnaround” in their development of new viruses. Read more…