TROJ_FAKEMS.KA

June 29, 2017
 Analysis by: Johnlery Triunfante
 ALIASES:

Rootkit.81414 (BITDEFENDER); Trojan horse SCGeneric_c1.BEI (AVG)

 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Dropped by other malware, Downloaded from the Internet

This Trojan 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:

1,6212,480 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

23 Apr 2017

Arrival Details

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

Installation

This Trojan adds the following mutexes to ensure that only one of its copies runs at any one time:

  • {malware name}.exe

Other Details

This Trojan requires the following additional components to properly run:

  • {malware path}\lib\preload.aau
  • {malware path}\lib\preload.dll
  • {malware path}\lib\preload\_.aau
  • {malware path}\lib\preload\_.dll
  • {malware path}\lib\process.aau
  • {malware path}\lib\process.dll
  • {malware path}\lib\process\_.aau
  • {malware path}\lib\process\_.dll
  • {malware path}\lib\sys.info.aau
  • {malware path}\lib\sys.info.dll
  • {malware path}\lib\sys\info.aau
  • {malware path}\lib\sys\info.dll
  • {malware path}\lib\sys\info\_.aau
  • {malware path}\lib\sys\info\_.dll
  • {malware path}\lib\console.aau
  • {malware path}\lib\console.dll
  • {malware path}\lib\console\_.aau
  • {malware path}\lib\console\_.dll
  • {malware path}\lib\util.table.aau
  • {malware path}\lib\util.table.dll
  • {malware path}\lib\util\table.aau
  • {malware path}\lib\util\table.dll
  • {malware path}\lib\util\table\_.aau
  • {malware path}\lib\util\table\_.dll
  • {malware path}\lib\service.aau
  • {malware path}\lib\service.dll
  • {malware path}\lib\service\_.aau
  • {malware path}\lib\service\_.dll
  • {malware path}\lib\fsys.aau
  • {malware path}\lib\fsys.dll
  • {malware path}\lib\fsys\_.aau
  • {malware path}\lib\fsys\_.dll
  • {malware path}\lib\win.ole.aau
  • {malware path}\lib\win.ole.dll
  • {malware path}\lib\win\ole.aau
  • {malware path}\lib\win\ole.dll
  • {malware path}\lib\win\ole\_.aau
  • {malware path}\lib\win\ole\_.dll
  • {malware path}\lib\fsys.path.aau
  • {malware path}\lib\fsys.path.dll
  • {malware path}\lib\fsys\path.aau
  • {malware path}\lib\fsys\path.dll
  • {malware path}\lib\fsys\path\_.aau
  • {malware path}\lib\fsys\path\_.dll
  • {malware path}\lib\win.reg.aau
  • {malware path}\lib\win.reg.dll
  • {malware path}\lib\win\reg.aau
  • {malware path}\lib\win\reg.dll
  • {malware path}\lib\win\reg\_.aau
  • {malware path}\lib\win\reg\_.dll
  • {malware path}\lib\win.version.aau
  • {malware path}\lib\win.version.dll
  • {malware path}\lib\win\version.aau
  • {malware path}\lib\win\version.dll
  • {malware path}\lib\win\version\_.aau
  • {malware path}\lib\win\version\_.dll
  • {malware path}\lib\process.mutex.aau
  • {malware path}\lib\process.mutex.dll
  • {malware path}\lib\process\mutex.aau
  • {malware path}\lib\process\mutex.dll
  • {malware path}\lib\process\mutex\_.aau
  • {malware path}\lib\process\mutex\_.dll
  • {malware path}\lib\util.metaProperty.aau
  • {malware path}\lib\util.metaProperty.dll
  • {malware path}\lib\util\metaProperty.aau
  • {malware path}\lib\util\metaProperty.dll
  • {malware path}\lib\util\metaProperty\_.aau
  • {malware path}\lib\util\metaProperty\_.dll

  SOLUTION

Minimum Scan Engine:

9.850

FIRST VSAPI PATTERN FILE:

13.488.07

FIRST VSAPI PATTERN DATE:

23 Jun 2017

VSAPI OPR PATTERN File:

13.489.00

VSAPI OPR PATTERN Date:

24 Jun 2017

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

Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.

Step 3

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