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Threat Encyclopedia

TSPY_ZBOT.BVQ

ANALYSIS BY

Marfel Tiamzon


PLATFORM:

Windows 2000, XP, Server 2003

OVERALL RISK RATING:
REPORTED INFECTION:
SYSTEM IMPACT RATING:
INFORMATION EXPOSURE:

  • Threat Type:Spyware

  • Destructiveness:No

  • Encrypted: Yes

  • In the wild: Yes

OVERVIEW

TECHNICAL DETAILS

SOLUTION

Minimum Scan Engine:

8.900

Step 1

Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.

Step 2

Restart in Safe Mode

[ Learn More ]

Step 3

Search and delete this folder

[ Learn More ]
Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden folders in the search result.
%Application Data%\{random1}
%Application Data%\{random2}

Step 4

Delete this registry value

[ Learn More ]

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.

  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • {GUID of mount point of %Windows%} =%Application Data%\{random1}\{random}.exe
  • In HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List
    • %WINDOWS%\EXPLORER.EXE =%WINDOWS%\EXPLORER.EXE:*:Enabled:Windows Explore
  • In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\PhishingFilter
    • Enabled =0
  • In HKEY_CURRENT_USER\Software\Microsoft\InternetExplorer\PhishingFilter
    • EnabledV8 =0

Step 5

Delete this registry key

[ Learn More ]

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.


  • In HKEY_CURRENT_USER\Software\Microsoft\
    • {random}

Step 6

Restart in normal mode and scan your computer with your Trend Micro product for files detected as TSPY_ZBOT.BVQ. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.


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