PE_VIRUT.YE

October 08, 2012

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 Analysis by: Cris Nowell Pantanilla

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 OVERALL RISK RATING:

 REPORTED INFECTION:

• 
  Threat Type:
• 
  Destructiveness:
• 
  Encrypted:
• 
  In the wild:

  OVERVIEW

This unknown infects by appending its code to target host files.

  TECHNICAL DETAILS

Other System Modifications

This unknown adds the following registry keys:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\SharedAccess\Parameters\
FirewallPolicy\StandardProfile\AuthorizedApplications\
List
\\??\\%system%\\winlogon.exe = \??\%system%\winlogon.exe:enabled:@shell32.dll,-1

File Infection

This unknown infects by appending its code to target host files.

  SOLUTION

Delete this registry value

[ Learn More ]

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Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

To delete the registry value this malware/grayware created:

1. Open Registry Editor. Click Start>Run, type REGEDIT, then press Enter.

RESTORE

Close Registry Editor.

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