TROJ_OTORUN.RL

 Analysis by: Karl Dominguez

 PLATFORM:

Windows 98, ME, NT, 2000, XP, Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Trojan may be dropped by other malware.

  TECHNICAL DETAILS

File Size:

948 bytes

File Type:

TXT

Memory Resident:

Yes

Arrival Details

This Trojan may be dropped by the following malware:

  • WORM_KOLAB.RL

Other Details

Based on analysis of the codes, it has the following capabilities:

  • Functions as an AUTORUN.INF file used by WORM_KOLAB.RL as a component in its autostart and propagation routines
  • Contains the following strings:
    ;{garbage}
    [autorun
    ;{garbage}
    open=bar/bar32.exe
    ;{garbage}
    icon=SHELL32.dll,4
    ;{garbage}
    acTIon=Open folder to view files using Windows Explorer
    ;{garbage}
    shElL\oPEn\commaNd=bar\\\\\\\\\\\bar32.exe
    ;{garbage}
    SheLl\\\\\\\\exPLore\\\\\\\\\comMand=bar/////////bar32.exe
    ;{garbage}
    useautoplay=1
    ;{garbage}

  SOLUTION

Minimum Scan Engine:

8.900

VSAPI PATTERN File:

7.364.13

VSAPI PATTERN Date:

06 Aug 2010

VSAPI PATTERN Date:

8/6/2010 12:00:00 AM

Step 1

Remove malware files dropped/downloaded by TROJ_OTORUN.RL

    • WORM_KOLAB.RL

Step 2

Scan your computer with your Trend Micro product to delete files detected as


*Note: 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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