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TSPY_PROXY.MW

November 30, 2012
 ALIASES:

PWS:Win32/Ceekat.gen!A, PWS:Win32/Ceekat.gen!A, PWS:Win32/Ceekat.gen!A (Microsoft); Generic PWS (McAfee); Suspicious.MH690, Suspicious.DLoader (Symantec); Trojan-GameThief.Win32.Nilage.ach (Kaspersky); BehavesLike.Win32.Malware.ahc (mx-v) (Sunbelt); Dropped:Trojan.Pws.Nilage.ACH (FSecure)

 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

  OVERVIEW


This spyware 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:

26,713 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

30 Nov 2012

Arrival Details

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

  • %User Temp%\RAVWL.EXE

(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista and 7.)

Other System Modifications

This spyware deletes the following files:

  • %System%\RAVWL.EXE
  • %User Temp%\RAVWL.EXE

(Note: %System% is the Windows system folder, which is usually C:\Windows\System32.. %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista and 7.)

Dropping Routine

This spyware drops the following files:

  • %System%\RAVWL606.dll

(Note: %System% is the Windows system folder, which is usually C:\Windows\System32.)

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine:

9.300

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

Search and delete this file

[ 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%\RAVWL606.dll

Step 3

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

Step 4

Restore this file from backup only Microsoft-related files will be restored. If this malware/grayware also deleted files related to programs that are not from Microsoft, please reinstall those programs on you computer again.

  • %System%\RAVWL.EXE
  • %User Temp%\RAVWL.EXE


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