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TSPY_MIRYAGO.A

November 06, 2012
 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

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

  • Threat Type: Spyware

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes


  TECHNICAL DETAILS

File Size:

172,032 bytes

File Type:

DLL

Memory Resident:

Yes

Installation

This spyware drops the following copies of itself into the affected system:

    • %System%\MsncomLite.dll

(Note: %System% is the Windows system folder, which is usually C:\Windows\System on Windows 98 and ME, C:\WINNT\System32 on Windows NT and 2000, or C:\Windows\System32 on Windows XP and Server 2003.)

Other System Modifications

This spyware adds the following registry entries:

HKEY_CLASSES_ROOT\Briefcase.Server
Mesg = "BE FOUND ALERT GLOBALSTOOL"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
BriefCase.Server
Mesg = "BE FOUND ALERT GLOBALSTOOL"

  SOLUTION

Minimum Scan Engine:

9.300

FIRST VSAPI PATTERN FILE:

9.502.03

FIRST VSAPI PATTERN DATE:

02 Nov 2012

VSAPI OPR PATTERN File:

9.503.00

VSAPI OPR PATTERN Date:

03 Nov 2012

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

Restart in Safe Mode

[ Learn More ]

Step 3

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_CLASSES_ROOT\Briefcase.Server
    • Mesg = "BE FOUND ALERT GLOBALSTOOL"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Briefcase.Server
    • Mesg = "BE FOUND ALERT GLOBALSTOOL"

Step 4

Search and delete these files

[ Learn More ]
There may be some component files that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.  
  • %System%\MsncomLite.dll

Step 5

Restart in normal mode and scan your computer with your Trend Micro product for files detected as TSPY_MIRYAGO.A. 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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