Analysis by: Kathleen Notario
ALIASES:

W32.Stration@mm (Symantec); W32/Spamta.QO.worm (Panda)

 PLATFORM:

Windows 2000, XP, Server 2003

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:

  • Threat Type: Worm

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

This worm may be dropped by other malware.

  TECHNICAL DETAILS

File Size: 57,344 bytes
File Type: PE
Memory Resident: No
Initial Samples Received Date: 10 Nov 2010

Arrival Details

This worm may be dropped by other malware.

Autostart Technique

This worm adds the following registry entries to enable its automatic execution at every system startup:

HKEY_CLASSES_ROOT\CLSID\{5B153A12-D1BD-4F3D-A5C7-EE16D5A1186C}\
InProcServer32
(Default) = {malware path and file name}

Other System Modifications

This worm adds the following registry keys:

HKEY_CLASSES_ROOT\CLSID\{5B153A12-D1BD-4F3D-A5C7-EE16D5A1186C}

  SOLUTION

Minimum Scan Engine: 8.900
VSAPI PATTERN File: 7.612.03
VSAPI PATTERN Date: 11 Nov 2010
VSAPI PATTERN Date: 11/11/2010 12:00:00 AM

Step 1

For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.

Step 2

Scan your computer with your Trend Micro product and note files detected as WORM_WAREZOB.A

Step 3

Restart in Safe Mode

[ Learn More ]

Step 4

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_CLASSES_ROOT\CLSID
    • {5B153A12-D1BD-4F3D-A5C7-EE16D5A1186C}

Step 5

Search and delete the file detected as WORM_WAREZOB.A

[ Learn More ]
Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden files in the search result.


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