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ThreatExpert's Statistics for Trojan-Downloader.Win32.QQHelper.gg [Kaspersky Lab]:

Trojan-Downloader.Win32.QQHelper.gg [Kaspersky Lab] is also known as:
Threat AliasNumber of Incidents
TROJ_QQHELPER.QT [Trend Micro]9
Adware.QQFace [PC Tools]6
PWS-QQPass.dll [McAfee]3

Trojan-Downloader.Win32.QQHelper.gg [Kaspersky Lab] is known to be created as:
%System%\wbem\cznfq.dll
%System%\wbem\gdfxq.dll
%System%\wbem\yluya.dll
Note: %System% is a variable that refers to the System folder. By default, this is C:\Windows\System (Windows 95/98/Me), C:\Winnt\System32 (Windows NT/2000), or C:\Windows\System32 (Windows XP).