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Virus Profile: Generic Dropper!fg3!5AC52217528A

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 12/9/2012
Date Added: 12/9/2012
Origin: Unknown
Length: 438100
Type: Trojan
Subtype: -
DAT Required: 6920
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 Dropper!fg3
Length438100 bytes
MD55ac52217528acf9e6c1af212722911b5
SHA1938a886540e7c3076d132cc6e8e720de838297cf


Other Common Detection Aliases

Company NamesDetection Names
ahnlabDropper/Generic.438100
avastWin32:Trojan-gen
AVG (GriSoft)Agent2.CHGH
aviraDR/generic.138672.1
KasperskyTrojan.Win32.Genome.kifo
BitDefenderTrojan.Generic.IS.518778
clamavPUA.Win32.Packer.Upx-57
Dr.WebTrojan.Click1.40618
F-ProtW32/Meredrop.AZV
FortiNetPossibleThreat
MicrosoftVirTool:WinNT/Rootkitdrv.CR
SymantecTrojan.Gen
normanW32/Malware.HOLZ
pandaMalicious Packer
SophosMal/Generic-L
vba32Trojan.Genome.kifo

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


ActivitiesRisk Levels
Adds or modifies Shell Open registry value. Could be used to launch a program on startup.Medium
No digital signature is presentInformational


McAfee ScansScan Detections
McAfee BetaGeneric Dropper!fg3
McAfee SupportedGeneric Dropper!fg3



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:

5ac52217528acf9e6c1af212722911b5-0038.txt

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

  • %WINDIR%\SYSTEM32\cdcd.sys
  • %TEMP%\didi.an0

The following registry elements have been created:

  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\.313\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\WRIFILE\SHELL\OPEN\COMMAND\CONFIG\

The following registry elements have been changed:

  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\.313\REG = [binary data]
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\WRIFILE\SHELL\OPEN\COMMAND\CONFIG\¹¶ = [binary data]

   

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.