minimal-minimal

Vilsel.gen.e!988449D0D114

Vilsel.gen.e!988449D0D114

Threat Detail

  • Malware Type: Trojan
  • Malware Sub-type: N/A
  • Protection Added: 2010-11-25

This is a Trojan detection. Unlike viruses, Trojans do not self-replicate. They are spread manually, often under the premise that they are beneficial or wanted. The most common installation methods involve system or security exploitation, and unsuspecting users manually executing unknown programs. Distribution channels include e-mail, malicious or hacked Web pages, Internet Relay Chat (IRC), peer-to-peer networks, etc.


Minimum Engine

5400.1158

File Length

46080

Description Added

2010-11-25

Description Modified

2010-11-25

Malware Proliferation

fpo-ti-severity-legend logo-new-mcafee

This is a Trojan

File PropertiesProperty Values
McAfee DetectionVilsel.gen.e
Length46080 bytes
MD5988449d0d114a89856978ba1a0edb558
SHA1a556928b3afd32b5c403c61f9316c6bba139d75d


Other Common Detection Aliases

Company NamesDetection Names
AvastWin32:Trojan-gen
AVG (GriSoft)SHeur2.BHIB (Trojan horse)
AviraTR/Fakealert.46080
KasperskyTrojan.Win32.Vilsel.gsm
BitDefenderTrojan.FakeAlert.BMU
ClamAVTrojan.Agent-126546
Dr.WebTrojan.Fakealert.4983
eSafe (Alladin)Suspicious file
F-ProtW32/Trojan2.JRLL
FortiNetW32/Vilsel.GSM!tr
MicrosoftTrojanDownloader:Win32/Fakeinit
SymantecTrojan Horse
EsetWin32/TrojanDownloader.FakeAlert.AED trojan
NormanW32/Renos.ALLA (trojan)
PandaTrj/CI.A
SophosMal/FakeAV-BR
Trend MicroTROJ_Gen.MZ40M2
Vba32Trojan.Win32.Vilsel.gsm
Vet (Computer Associates)Win32/AdvancedVirusRemover.R

Other brands and names may be claimed as the property of others.


ActivitiesRisk Levels
Disables the Windows Task Manager.High
Adds or modifies system policies. Could be used to prevent the or detour the use of common system tools.High
Enumerates many system files and directories.Low
Displays systray popups that warn of malware related activitiesLow
Modifies Windows control panel settings.Low
Adds or modifies Internet Explorer cookiesLow
No digital signature is presentInformational


McAfee ScansScan Detections
McAfee BetaVilsel.gen.e
McAfee SupportedVilsel.gen.e



System Changes

Some path values have been replaced with environment variables as the exact location may vary with different configurations.
e.g.
%WINDIR% = \WINDOWS (Windows 9x/ME/XP/Vista/7), \WINNT (Windows NT/2000)
%PROGRAMFILES% = \Program Files


The following files were analyzed:

winupdate.exe

vdisk_ico The following files have been added to the system:

  • %WINDIR%\SYSTEM32\winhelper.dll
  • %WINDIR%\SYSTEM32\41.exe
  • %WINDIR%\SYSTEM32\avr09.exe
  • %TEMP%\988449D0D1.ex
  • %APPDATA%\Microsoft\Internet Explorer\Desktop.htt
  • %WINDIR%\SYSTEM32\critical_warning.html

vreg_ico The following registry elements have been created:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\ACTIVEDESKTOP\
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\SYSTEM\
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\ACTIVEDESKTOP\

vreg_ico The following registry elements have been changed:

  • HKEY_CURRENT_USER\CONTROL PANEL\DESKTOP\TILEWALLPAPER = 48
  • HKEY_CURRENT_USER\CONTROL PANEL\DESKTOP\WALLPAPER
  • HKEY_CURRENT_USER\CONTROL PANEL\DESKTOP\WALLPAPERSTYLE = 50
  • HKEY_CURRENT_USER\SOFTWARE\8636065B-FEF0-4255-B14F-54639F7900A4 = 8636065b-fef0-4255-b14f-54639f7900a4
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET EXPLORER\DESKTOP\COMPONENTS\DESKHTMLMINORVERSION = 5
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET EXPLORER\DESKTOP\COMPONENTS\DESKHTMLVERSION = 272
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET EXPLORER\DESKTOP\COMPONENTS\GENERALFLAGS = 1
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET EXPLORER\DESKTOP\COMPONENTS\SETTINGS = 1
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET EXPLORER\DESKTOP\COMPONENTS\0\CURRENTSTATE = [private subnet]
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET EXPLORER\DESKTOP\COMPONENTS\0\FLAGS = 2
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET EXPLORER\DESKTOP\COMPONENTS\0\FRIENDLYNAME = My Current Home Page
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET EXPLORER\DESKTOP\COMPONENTS\0\ORIGINALSTATEINFO = [binary data]
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET EXPLORER\DESKTOP\COMPONENTS\0\POSITION = [binary data]
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET EXPLORER\DESKTOP\COMPONENTS\0\RESTOREDSTATEINFO = [binary data]
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET EXPLORER\DESKTOP\COMPONENTS\0\SOURCE = About:Home
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET EXPLORER\DESKTOP\COMPONENTS\0\SUBSCRIBEDURL = About:Home
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET EXPLORER\DESKTOP\GENERAL\BACKUPWALLPAPER
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET EXPLORER\DESKTOP\GENERAL\TILEWALLPAPER = 48
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET EXPLORER\DESKTOP\GENERAL\WALLPAPER = %SystemRoot%\SYSTEM32\critical_warning.html
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET EXPLORER\DESKTOP\GENERAL\WALLPAPERFILETIME
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET EXPLORER\DESKTOP\GENERAL\WALLPAPERLOCALFILETIME = [binary data]
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET EXPLORER\DESKTOP\GENERAL\WALLPAPERSTYLE = 50
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\ACTIVEDESKTOP\NOCHANGINGWALLPAPER = 1
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\EXPLORER\NOACTIVEDESKTOPCHANGES = 1
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\EXPLORER\NOSETACTIVEDESKTOP = 1
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\SYSTEM\DISABLETASKMGR = 1
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\ACTIVEDESKTOP\NOCHANGINGWALLPAPER = 1
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\EXPLORER\NOACTIVEDESKTOPCHANGES = 1
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\EXPLORER\NOSETACTIVEDESKTOP = 1
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\WINUPDATE.EXE = %WINDIR%\SYSTEM32\winupdate.exe

vnet_ico The applications attempted the following network connection(s):

  • hxxp://testavrdown.com/cgi-bin/*****

All Users:

Please use the following instructions for all supported versions of Windows to remove threats and other potential risks:

1.Disable System Restore .

2.Update to current engine and DAT files for detection and removal.

3.Run a complete system scan.

Modifications made to the system Registry and/or INI files for the purposes of hooking system startup, will be successfully removed if cleaning with the recommended engine and DAT combination (or higher).

1. Please go to the Microsoft Recovery Console and restore a clean MBR.

On windows XP:

Insert the Windows XP CD into the CD-ROM drive and restart the computer.
When the "Welcome to Setup" screen appears, press R to start the Recovery Console.
Select the Windows installation that is compromised and provide the administrator password
Issue 'fixmbr' command to restore the Master Boot Record
Follow onscreen instructions
Reset and remove the CD from CD-ROM drive.


On Windows Vista and 7:

Insert the Windows CD into the CD-ROM drive and restart the computer.
Click on "Repair Your Computer"
When the System Recovery Options dialog comes up, choose the Command Prompt.
Issue 'bootrec /fixmbr' command to restore the Master Boot Record
Follow onscreen instructions
Reset and remove the CD from CD-ROM drive.

Trojans do not self-replicate. They are spread manually, often under the premise that the executable is something beneficial. Distribution channels include IRC, peer-to-peer networks, newsgroup postings, e-mail, etc.

This symptoms of this detection are the files, registry, and network communication referenced in the characteristics section.