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Virus Profile: Generic BackDoor!1FEE85854C2C

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 6/23/2013
Date Added: 6/23/2013
Origin: Unknown
Length: 215293
Type: Trojan
Subtype: -
DAT Required: 7115
Removal Instructions
   
 
 
   

Description

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.

Indication of Infection

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

Methods of Infection

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.

   

Virus Characteristics

This is a Trojan

File PropertiesProperty Values
McAfee DetectionGeneric BackDoor
Length215293 bytes
MD51fee85854c2cbf9ef936c4061f50154e
SHA137911056c27f7fdc90e6ebbafe5a6e1ba222462b


Other Common Detection Aliases

Company NamesDetection Names
EMSI SoftwareDropped:Trojan.Generic.KDZ.1629 (B)
avastMSIL:Bladabindi-EV
AVG (GriSoft)BackDoor.Generic17.KZI.dropper
aviraTR/Spy.Gen8
BitDefenderDropped:Trojan.Generic.KDZ.1629
Dr.WebTrojan.DownLoader9.15911
F-ProtW32/MSIL_Troj.AP.gen!Eldorado
FortiNetMSIL/Agent.PPP!tr
MicrosoftBackdoor:MSIL/Bladabindi.B
SymantecSuspicious.Cloud.2
EsetMSIL/Bladabindi.O
normanwinpe/Troj_Generic.MCPVL
pandaGeneric Malware
risingBackdoor.Bot!4E4F
SophosMal/MSIL-FE
vba32Trojan.MSIL.Disfa
Vet (Computer Associates)Win32/VBKrypt.EI!genus

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


ActivitiesRisk Levels
Enumerates many system files and directories.Low
Adds or modifies Internet Explorer cookiesLow
No digital signature is presentInformational


McAfee ScansScan Detections
McAfee BetaGeneric BackDoor
McAfee SupportedGeneric BackDoor



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:

3791[private subnet]FDC90E6EBBAFE5A6E1BA222462B

The following files have been added to the system:

  • C:\Extracted\hotsex.exe
  • %TEMP%\Trojan2.exe.tmp
  • C:\Extracted\hotsex«è« ¥©.FLV
  • %TEMP%\Trojan2.exe
  • %USERPROFILE%\Start Menu\Programs\Startup\4dc241853e4c50047c8e49d77711b66b.exe

The following files were temporarily written to disk then later removed:

  • %TEMP%\sfx.ini

The following registry elements have been created:

  • HKEY_CURRENT_USER\SOFTWARE\4DC241853E4C50047C8E49D77711B66B\

The following registry elements have been changed:

  • HKEY_CURRENT_USER\ENVIRONMENT\SEE_MASK_NOZONECHECKS = 49
  • HKEY_CURRENT_USER\SOFTWARE\4DC241853E4C50047C8E49D77711B66B\US = 64
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\4DC241853E4C50047C8E49D77711B66B = "%TEMP%\Trojan2.exe" ..
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\4DC241853E4C50047C8E49D77711B66B = "%TEMP%\Trojan2.exe" ..

The applications attempted the following network connection(s):

  • 79.124.66.***:1177

   

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.

   

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