CRCK_SUPREMO

May 29, 2014
 PLATFORM:

Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 SYSTEM IMPACT RATING:
 INFORMATION EXPOSURE:

  • Threat Type: Cracking Application

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This cracking application arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

  TECHNICAL DETAILS

File Size:

5,556,020 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

28 May 2014

Arrival Details

This cracking application arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Other System Modifications

This cracking application adds the following registry keys:

HKEY_CURRENT_USER\Software\WinRAR SFX

It adds the following registry entries:

HKEY_CURRENT_USER\Software\WinRAR SFX
C%%DOCUME~1%Wilbert%LOCALS~1%Temp = "%User Temp%"

Dropping Routine

This cracking application drops the following files:

  • __tmp_rar_sfx_access_check_64812
  • OGACheckControl.dll
  • WgaTray.exe
  • WgaLogon.dll
  • MGASetup.exe
  • LegitCheckControl.dll
  • reg.dat
  • pssuspend.exe
  • WindowsXP-KB905474-ENU-x86.exe
  • OGANotifier.msi

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine:

9.700

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

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
    • WinRAR SFX

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_CURRENT_USER\Software\WinRAR SFX
    • C%%DOCUME~1%Wilbert%LOCALS~1%Temp = %User Temp%

Step 4

Search and delete these components

[ Learn More ]
There may be some components 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.
  • __tmp_rar_sfx_access_check_64812
  • OGACheckControl.dll
  • WgaTray.exe
  • WgaLogon.dll
  • MGASetup.exe
  • LegitCheckControl.dll
  • reg.dat
  • pssuspend.exe
  • WindowsXP-KB905474-ENU-x86.exe
  • OGANotifier.msi

Step 5

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


Did this description help? Tell us how we did.