➔
search
✕

ADW_PUPTOOLBAR.A

April 09, 2014
 Modified by: Jimelle Monteser
 ALIASES:

Trojan.ADH.2 (Symantec); Click run software (v) (Sunbelt)

 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:
 INFORMATION EXPOSURE:

  • Threat Type: Adware

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This adware may arrive bundled with malware packages as a malware component. It 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:

666,384 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

28 Mar 2014

Arrival Details

This adware may arrive bundled with malware packages as a malware component.

It 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 adds the following folders:

  • %User Temp%\is1590112554
  • %Application Data%\Babylon
  • %Application Data%\Babylon\Setup
  • %Application Data%\DSite
  • %Application Data%\DSite\UpdateProc

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

Other System Modifications

This adware adds the following registry keys:

HKEY_CURRENT_USER\Software\InstallCore

HKEY_CURRENT_USER\Software\InstallCore\
Uninstall

HKEY_CURRENT_USER\Software\InstallCore\
Uninstall\{random}

Dropping Routine

This adware drops the following files:

  • %Application Data%\Babylon\log_file.txt
  • %Application Data%\DSite\UpdateProc\prod.dat
  • %Application Data%\DSite\UpdateProc\UpdateTask.exe
  • %Application Data%\Babylon\Setup\Setup2.zpb
  • %User Temp%\{random}.{random}_Update.exe
  • %User Temp%\is1590112554\DeltaTB.exe

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

This adware connects to the following possibly malicious URL:

  • http://{BLOCKED}fo-stream.net/report.php?no_policy=1&lang=0&source=setup-start&stage=0&ver=9.1.1.4&affilID=119370&guid={48B1AA2F-0A2A-4DF0-9795-FC2B23EBD7DF}&mntrId=B0B2000C29551670&moldid=b0b2d6e3000000000000000c295516
  • http://{BLOCKED}nus.{BLOCKED}creatorapp.com/ofr/Babylon/Babylon_Yahoo.cis
  • http://{BLOCKED}p.{BLOCKED}n.com/downloader.php?ver=9.1.1.4&affilID=119370&guid={48B1AA2F-0A2A-4DF0-9795-FC2B23EBD7DF}&mntrId=B0B2000C29551670&moldid=b0b2d6e3000000000000000c29551670&sufn=1.exe
    &iev=6&ffv=3&crv=7&dwb
    =ie&wbr=2&dlb=ff&spb=ff&sutp=50&sufl=66&tbp=0&prver=0&minreq=0&dtct=-10000000&wvr=501&tbtp=def&tbinst=1&cntry=
    US&cat=delta&uac=0&osp=hp0:642845648;
    hp1:0;hp2:642845648;dsp0:0;dsp1:0;dsp2:-425396809;&dnt=1.1,2.0,3.0,3.5,4.0&lang=en&zpb=1&geo=1
  • http://dl.{BLOCKED}n.com/site/files/Setup9/dwr/latest/latest_bl/Setup2.zpb
  • http://{BLOCKED}fo-stream.net/report.php?no_policy=1&lang=0&source=setup-start&stage=0&ver=9.1.1.4&affilID=119370&guid={48B1AA2F-0A2A-4DF0-9795-FC2B23EBD7DF}&mntrId=B0B2000C29551670&moldid=b0b2d6e3000000000000000c295516

  SOLUTION

Minimum Scan Engine:

9.700

SSAPI PATTERN File:

1.496.15

SSAPI PATTERN Date:

28 Mar 2014

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

Identify and terminate files detected as ADW_PUPTOOLBAR.A

[ Learn More ]
  1. Windows Task Manager may not display all running processes. In this case, please use a third-party process viewer, preferably Process Explorer, to terminate the malware/grayware/spyware file. You may download the said tool here.
  2. If the detected file is displayed in either Windows Task Manager or Process Explorer but you cannot delete it, restart your computer in safe mode. To do this, refer to this link for the complete steps.
  3. If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.

Step 3

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
    • InstallCore

Step 4

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.
  • %Application Data%\Babylon
  • %Application Data%\DSite
  • %User Temp%\is1590112554

Step 5

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 Temp%\{random}.{random}_Update.exe

Step 6

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