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Virus Profile: Spy-Lydra!D7B4FFF6A8F8

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 5/7/2012
Date Added: 5/7/2012
Origin: Unknown
Length: 128457
Type: Trojan
Subtype: -
DAT Required: 6704
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 DetectionSpy-Lydra
Length128457 bytes
MD5d7b4fff6a8f8decd3dabc46f4d3e4cb0
SHA17d12b8655d1f925816ac689e71297d87181fd711


Other Common Detection Aliases

Company NamesDetection Names
ahnlabSpyware/Win32.Lydra
avastWin32:Lydra-AF
AVG (GriSoft)PSW.Generic7.CDFR
aviraTR/Spy.Gen
KasperskyTrojan-Spy.Win32.Lydra.iv
Dr.WebTrojan.LydraSpy.2742
F-ProtW32/Lydra.B.gen!Eldorado
Microsofttrojanspy:win32/lydra.gen!a
SymantecInfostealer
EsetWin32/Spy.Lydra
normanlydra.dwc
SophosMal/Lyndra-A
Trend MicroMal_Lydra1
vba32TrojanSpy.Lydra.IV

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


ActivitiesRisk Levels
Modifies Windows firewall settings.Medium
Enumerates many system files and directories.Low
Adds or modifies a COM object.Low
No digital signature is presentInformational


McAfee ScansScan Detections
McAfee BetaSpy-Lydra
McAfee SupportedSpy-Lydra



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:

7d12b8655d1f925816ac689e71297d87181fd711

The following files have been added to the system:

  • %ALLUSERSPROFILE%\Start Menu\Programs\Startup\AdobeLoader.scr
  • %WINDIR%\wdfmgr.exe
  • %WINDIR%\regedit2.exe
  • %WINDIR%\mui\rctfd.sys
  • %WINDIR%\regedit.exe
  • %WINDIR%\lsassv.exe
  • %WINDIR%\calc.exe
  • %WINDIR%\msrpc.exe
The following registry elements have been created:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\EXPLORER\RUN\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{65D5AFFB-D4EF-49AA-GFFG-5DA5E12E300A}\
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\EXPLORER\RUN\
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUNSERVICES\
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\SERVICES\WDFMGR\
The following registry elements have been changed:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\EXPLORER\RUN\WDFMGR = %WINDIR%\wdfmgr.exe
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\LSASSV = %WINDIR%\lsassv.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{65D5AFFB-D4EF-49AA-GFFG-5DA5E12E300A}\FLAST = c:\ANGStateData.dll
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{65D5AFFB-D4EF-49AA-GFFG-5DA5E12E300A}\FNUM = 1
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{65D5AFFB-D4EF-49AA-GFFG-5DA5E12E300A}\THISEXE
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{65D5AFFB-D4EF-49AA-GFFG-5DA5E12E300A}\VERPROG = 158
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\EXPLORER\RUN\MSRPC = %WINDIR%\msrpc.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\WDFMGR = %WINDIR%\wdfmgr.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUNSERVICES\WDFMGR = %WINDIR%\wdfmgr.exe
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\SERVICES\SHAREDACCESS\PARAMETERS\FIREWALLPOLICY\STANDARDPROFILE\AUTHORIZEDAPPLICATIONS\LIST\%TEMP%\7D12B8655D1F925816AC689E71297D87181FD711 = %TEMP%\7d12b8655d1f925816ac689e71297d87181fd711:*:Enabled:SMPN
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\SERVICES\WDFMGR\DEPENDONGROUP
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\SERVICES\WDFMGR\DEPENDONSERVICE = RpcSs
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\SERVICES\WDFMGR\DESCRIPTION = Optimizes performance of Windows Presentation Foundation (WPF) applications by caching commonly used font data.
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\SERVICES\WDFMGR\DISPLAYNAME = Windows Font Cache
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\SERVICES\WDFMGR\ERRORCONTROL = 1
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\SERVICES\WDFMGR\GROUP = PlugPlay
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\SERVICES\WDFMGR\IMAGEPATH = %WINDIR%\wdfmgr.exe
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\SERVICES\WDFMGR\OBJECTNAME = LocalSystem
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\SERVICES\WDFMGR\PLUGPLAYSERVICETYPE = 3
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\SERVICES\WDFMGR\START = 2
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\SERVICES\WDFMGR\TYPE = 288
   

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.