PUA_ASKTOOLBAR.GB
PUP.Optional.APNToolBar (Malwarebytes)
Windows
Threat Type: Potentially Unwanted Application
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This potentially unwanted application 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
843,064 bytes
EXE
No
15 Dec 2015
Arrival Details
This potentially unwanted application 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 potentially unwanted application adds the following folders:
- %User Temp%\oc_46
- %User Temp%\oc_46\images
(Note: %User Temp% is the user's temporary folder, where it usually is C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Local\Temp on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)
It drops the following files:
- %User Temp%\oc_46.tmp
- %User Temp%\oc_46\OCDLL.dll
- %User Temp%\oc_47.tmp
- %User Temp%\oc_46\Start.htm
- %User Temp%\oc_46\apnanalytic.js
- %User Temp%\oc_46\checkiecookie.vbs
- %User Temp%\oc_46\download.htm
- %User Temp%\oc_46\images\CRPrimary.png
- %User Temp%\oc_46\images\CRPrimary1.png
- %User Temp%\oc_46\images\CRSaturation1.png
- %User Temp%\oc_46\images\FFPrimary.png
- %User Temp%\oc_46\images\FFPrimary1.png
- %User Temp%\oc_46\images\FFSaturation1.png
- %User Temp%\oc_46\images\IEPrimary.png
- %User Temp%\oc_46\images\IEPrimary1.png
- %User Temp%\oc_46\images\IESaturation1.png
- %User Temp%\oc_46\launchie.vbs
- %User Temp%\oc_46\masterrule.js
- %User Temp%\oc_46\offer2xtemplate.htm
- %User Temp%\oc_46\offerlist.js
- %User Temp%\oc_46\orchestrator.htm
- %User Temp%\oc_46\prefetch.htm
- %User Temp%\oc_46\progress.htm
- %User Temp%\oc_46\reboot.htm
- %User Temp%\oc_46\scrolltext.xml
- %User Temp%\oc_46\wait_animation.gif
- %User Profile%\My Documents\APNSetup.exe
(Note: %User Temp% is the user's temporary folder, where it usually is C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Local\Temp on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.. %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 Details
This potentially unwanted application connects to the following possibly malicious URL:
- http://{BLOCKED}.{BLOCKED}ers.apnpartners.com/static/partners/upgrade/ARS/3.4.6/upgrade.zip
- http://{BLOCKED}.{BLOCKED}ers.apnpartners.com/static/partners/utility/orchestrator.htm?partner_id=xp32\Desktop\1&language=en
- http://{BLOCKED}.{BLOCKED}rs.apnpartners.com/static/partners/xp32/Desktop/1/apnanalytic.js
- http://{BLOCKED}.{BLOCKED}ers.apnpartners.com/static/partners/utility/masterrule.js
- http://{BLOCKED}.{BLOCKED}ers.apnpartners.com/static/partners/utility/
- http://{BLOCKED}.{BLOCKED}ers.apnpartners.com/static/partners/xp32/Desktop/1/apnanalytic.js
SOLUTION
9.800
1.766.16
09 Sep 2016
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
Search and delete these folders
- %User Temp%\oc_46
- %User Temp%\oc_46\images
Step 4
Search and delete these files
- %User Temp%\oc_46.tmp
- %User Temp%\oc_46\OCDLL.dll
- %User Temp%\oc_47.tmp
- %User Temp%\oc_46\Start.htm
- %User Temp%\oc_46\apnanalytic.js
- %User Temp%\oc_46\checkiecookie.vbs
- %User Temp%\oc_46\download.htm
- %User Temp%\oc_46\images\CRPrimary.png
- %User Temp%\oc_46\images\CRPrimary1.png
- %User Temp%\oc_46\images\CRSaturation1.png
- %User Temp%\oc_46\images\FFPrimary.png
- %User Temp%\oc_46\images\FFPrimary1.png
- %User Temp%\oc_46\images\FFSaturation1.png
- %User Temp%\oc_46\images\IEPrimary.png
- %User Temp%\oc_46\images\IEPrimary1.png
- %User Temp%\oc_46\images\IESaturation1.png
- %User Temp%\oc_46\launchie.vbs
- %User Temp%\oc_46\masterrule.js
- %User Temp%\oc_46\offer2xtemplate.htm
- %User Temp%\oc_46\offerlist.js
- %User Temp%\oc_46\orchestrator.htm
- %User Temp%\oc_46\prefetch.htm
- %User Temp%\oc_46\progress.htm
- %User Temp%\oc_46\reboot.htm
- %User Temp%\oc_46\scrolltext.xml
- %User Temp%\oc_46\wait_animation.gif
- %User Profile%\My Documents\APNSetup.exe
Step 5
Scan your computer with your Trend Micro product to delete files detected as PUA_ASKTOOLBAR.GB. 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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