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ThreatExpert's Statistics for Backdoor.CVM [Symantec]:

Backdoor.CVM [Symantec] is also known as:
Threat AliasNumber of Incidents
BackDoor-CVM [McAfee]8
not-a-virus:AdWare.Win32.AdHelper.gen [Kaspersky Lab]8
Program:Win32/Fengcent [Microsoft]6
Generic Downloader.z [McAfee]5
BackDoor-CVM.dll [McAfee]4
Trojan-Downloader.QQHelper!sd5 [PC Tools]4
Trojan-Downloader.Win32.QQHelper.do [Kaspersky Lab]4
Backdoor.CVM!sd6 [PC Tools]3
Adware.QQFace [PC Tools]2
Generic Downloader.g [McAfee]2
Trojan-Downloader.Win32.QQHelper.ve [Kaspersky Lab]2
BKDR_DLOADER.BCA [Trend Micro]1
not-a-virus:AdWare.Win32.AdHelper.ac [Kaspersky Lab]1
not-a-virus:AdWare.Win32.AdHelper.q [Kaspersky Lab]1
not-a-virus:AdWare.Win32.AdHelper.r [Kaspersky Lab]1
Troj/QQHelp-Gen [Sophos]1
TROJ_QQHELPER.HN [Trend Micro]1
Trojan-Downloader.Win32.QQHelper [Ikarus]1
Trojan-Downloader.Win32.QQHelper.bnr [Kaspersky Lab]1
Trojan-Downloader.Win32.QQHelper.bnw [Kaspersky Lab]1
Trojan-Downloader.Win32.QQHelper.co [Kaspersky Lab]1
TrojanDownloader:Win32/QQHelper.gen!A [Microsoft]1
Trojan-PWS.Win32.QQPass [Ikarus]1

Backdoor.CVM [Symantec] has the following possible country of origin:
OriginNumber of Incidents
China13

Backdoor.CVM [Symantec] is known to be created as:
%ProgramFiles%\common files\system\updaterun.exe
%System%\wbem\bvkjl.dll
Notes:
  • %ProgramFiles% is a variable that refers to the Program Files folder. A typical path is C:\Program Files.
  • %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).