Vista - 5.0% of US PC's scanned by MSRT have FakeSecSen Rogue

Quote "There is no surprise about the prevalence of these rogues given our earlier telemetry analysis on other Microsoft AV products and tools. For comparison, the #1 family last month was Renos with 389,036 distinct machines cleaned in the first week and 655,535 machines for the whole month. And the most significant result for MSRT this year was the June release when we added eight game password stealer families, was Win32/Taterf with 1,246,792 machines cleaned by week 1 and 1,536,831 machines for the whole month.

One way to interpret this data is to look into the infection rate. In the recent release of volume 5 of the Microsoft Security Intelligence Report we introduced “Computer Cleaned per thousand MSRT executions” (CCM). During 1H08, the CCM for US for the full six months was 11.2. Within one week in November US CCM for all threats is 10.3 and US CCM for just FakeSecSen alone is 5.0. This reads: every one thousand machines in US scanned by MSRT during the last seven days, roughly five were infected with FakeSecSen rogues. "

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Microsoft® Malware Protection Center : MSRT Review on Win32/FakeSecSen Rogues