ADW_PCMEGA

September 07, 2013
 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

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

  • Threat Type: Adware

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This adware 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:

390,680 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

07 Sep 2013

Arrival Details

This adware 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 adware creates the following folders:

  • %System Root%\Documents and Settings\Wilbert
  • %User Profile%\Application Data\GetRightToGo
  • %System Root%\DOCUME~1
  • %System Root%\DOCUME~1\Wilbert
  • %User Profile%\LOCALS~1

(Note: %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.. %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.)

Other System Modifications

This adware adds the following registry keys:

HKEY_CURRENT_USER\Software\Headlight

HKEY_CURRENT_USER\Software\Headlight\
GetRightToGo

HKEY_CURRENT_USER\Software\Headlight\
GetRightToGo\SharedConfig

HKEY_CURRENT_USER\Software\Headlight\
GetRightToGo\CustomizedApps

HKEY_CURRENT_USER\Software\Headlight\
GetRightToGo\NoRange-0

HKEY_CURRENT_USER\Software\Headlight\
GetRightToGo\NoRange-X

It adds the following registry entries:

HKEY_CURRENT_USER\Software\Headlight\
GetRightToGo\SharedConfig
BusyPause = "f"

HKEY_CURRENT_USER\Software\Headlight\
GetRightToGo\SharedConfig
FileCache = "0"

HKEY_CURRENT_USER\Software\Headlight\
GetRightToGo\SharedConfig
FileCacheKB = "64"

HKEY_CURRENT_USER\Software\Headlight\
GetRightToGo\SharedConfig
Rollback = "0"

HKEY_CURRENT_USER\Software\Headlight\
GetRightToGo\SharedConfig
DotGetRight = "0"

Dropping Routine

This adware drops the following files:

  • %User Profile%\GetRightToGo\.data0

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

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine:

9.300

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
    • Headlight
  • In HKEY_CURRENT_USER\Software\Headlight
    • GetRightToGo
  • In HKEY_CURRENT_USER\Software\Headlight\GetRightToGo
    • SharedConfig
  • In HKEY_CURRENT_USER\Software\Headlight\GetRightToGo
    • CustomizedApps
  • In HKEY_CURRENT_USER\Software\Headlight\GetRightToGo
    • NoRange-0
  • In HKEY_CURRENT_USER\Software\Headlight\GetRightToGo
    • NoRange-X

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\Headlight\GetRightToGo\SharedConfig
    • BusyPause = "f"
  • In HKEY_CURRENT_USER\Software\Headlight\GetRightToGo\SharedConfig
    • FileCache = "0"
  • In HKEY_CURRENT_USER\Software\Headlight\GetRightToGo\SharedConfig
    • FileCacheKB = "64"
  • In HKEY_CURRENT_USER\Software\Headlight\GetRightToGo\SharedConfig
    • Rollback = "0"
  • In HKEY_CURRENT_USER\Software\Headlight\GetRightToGo\SharedConfig
    • DotGetRight = "0"

Step 4

Search and delete this file

[ Learn More ]
There may be some 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.
  • %User Profile%\GetRightToGo\.data0

Step 5

Search and delete these folders

[ Learn More ]
Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden folders in the search result.
  • %System Root%\Documents and Settings\Wilbert
  • %User Profile%\Application Data\GetRightToGo
  • %System Root%\DOCUME~1
  • %System Root%\DOCUME~1\Wilbert
  • %User Profile%\LOCALS~1

Step 6

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