Threat Information for "Trojan.LastAd"

Removal Top

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Summary Top
  • Name: Trojan.LastAd
  • Aliases:
  • Date Discovered: 2006-10-04
  • Protection Added: 2006-10-06
Description Top 
-- Ease of Removal

1: Uses running processes
2: Consistent file contents
3: File names uniquely generated
4: Creates new unique registry entries

-- Damage/Intrusion/Annoyance

1: Displays targeted popup advertisements
2: Creates new files

-- Propagation/Saturation

1: Spreads through Peer-2-Peer software
2: Infects from a link in an email
3: Infects from an email attachment
4: Installed by other infections
Technical Details Top
  • Added Directory/File:
    FilePath: %SYSTEMDIR%\*.* MD5: 088e25cf7f755f74cb15a03a309b4a61
  • Added Directory/File:
    FilePath: %SYSTEMDIR%\*.* MD5: 7eb9db39f4c67e08386d07b0e6260301
  • Added Registry Key:
    Key: HKU\S-1*\%CURRENTVERSIONREG%i\Internet Settings\ZoneMap\Domains\neededware.com
  • Added Registry Key:
    Key: HKCU\%CURRENTVERSIONREG%\Internet Settings\ZoneMap\Domains\neededware.com
  • Added Registry Key:
    Key: HKLM\SOFTWARE\ndwserv*
  • Added Registry Value:
    Key: HKLM\%CURRENTVERSIONREG%\Policies\Explorer\Run Value: VISK
  • Added Registry Data:
    Key: HKLM\%CURRENTVERSIONREG%\policies\Explorer\Run Value: [RANDOM VALUE] Data: %SYSTEMDIR%\??????.exe wildData=TRUE
  • Added Registry Data:
    Key: HKLM\%CURRENTVERSIONREG%\Run Value: [RANDOM VALUE] Data: %SYSTEMDIR%\???.exe wildData=TRUE
  • Added Registry Data:
    Key: HKLM\%CURRENTVERSIONREG%\Run Value: [RANDOM VALUE] Data: %SYSTEMDIR%\????.exe wildData=TRUE
  • Added Registry Data:
    Key: HKLM\%CURRENTVERSIONREG%\Run Value: [RANDOM VALUE] Data: %SYSTEMDIR%\?????.exe wildData=TRUE
  • Added Registry Data:
    Key: HKLM\%CURRENTVERSIONREG%\Run Value: [RANDOM VALUE] Data: %SYSTEMDIR%\??????.exe wildData=TRUE
  • Added Registry Data:
    Key: HKLM\%CURRENTVERSIONREG%\policies\Explorer\Run Value: [RANDOM VALUE] Data: %SYSTEMDIR%\???.exe wildData=TRUE
  • Added Registry Data:
    Key: HKLM\%CURRENTVERSIONREG%\policies\Explorer\Run Value: [RANDOM VALUE] Data: %SYSTEMDIR%\????.exe wildData=TRUE
  • Added Registry Data:
    Key: HKLM\%CURRENTVERSIONREG%\policies\Explorer\Run Value: [RANDOM VALUE] Data: %SYSTEMDIR%\?????.exe wildData=TRUE