ADW_MULTIPLUG.GD
MultiPlug-FWG. (McAfee); a variant of Win32/Adware.MultiPlug.JI application (ESET-NOD32)
Windows
Threat Type: Adware
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
Downloaded from the Internet
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
Varies
EXE
No
28 Apr 2015
Connects to URLs/IPs
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 drops the following files:
- %User Temp%\{random foldername}\temp.ca
- %User Temp%\{random foldername}\images\loader.gif
- %User Temp%\{random foldername}\images\progressbar.gif
- %User Temp%\{random foldername}\temp\bg.ca
- %All Users Profile%\Application Data\{GUID}\{malware filename}.dat
- %Desktop%\{malware filename}.lnk
- %User Startup%\{malware filename}.lnk
- %Windows%\Tasks\Bidaily Synchronize Task.job
(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.. %All Users Profile% is the All Users folder, where it usually is C:\Documents and Settings\All Users on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\ProgramData 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.. %Desktop% is the desktop folder, where it usually is C:\Documents and Settings\{user name}\Desktop in Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\Desktop in 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 Startup% is the current user's Startup folder, which is usually C:\Windows\Profiles\{user name}\Start Menu\Programs\Startup on Windows 98 and ME, C:\WINNT\Profiles\{user name}\Start Menu\Programs\Startup on Windows NT, and C:\Documents and Settings\{User name}\Start Menu\Programs\Startup.. %Windows% is the Windows folder, where it usually is C:\Windows on all Windows operating system versions.)
It drops the following copies of itself into the affected system:
- %User Temp%\{random foldername 1}\temp\{malware filename}.exe
- %All Users Profile%\Application Data\{GUID}\{malware filename}.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.. %All Users Profile% is the All Users folder, where it usually is C:\Documents and Settings\All Users on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\ProgramData 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 creates the following folders:
- %User Temp%\{random foldername}\temp
- %User Temp%\{random foldername}\images
- %User Temp%\{random foldername}\installer
- %All Users Profile%\Application Data\{GUID}
(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.. %All Users Profile% is the All Users folder, where it usually is C:\Documents and Settings\All Users on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\ProgramData 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.)
Other System Modifications
This adware adds the following registry keys:
HKEY_CURRENT_USER\Software\WebApp
HKEY_CURRENT_USER\Software\WebApp\
Styles
It adds the following registry entries:
HKEY_CURRENT_USER\Software\WebApp\
Styles
MaxScriptStatements = "{hex values}"
Other Details
This adware connects to the following possibly malicious URL:
- http://{BLOCKED}-models.com/hp/?
- http://{BLOCKED}user.com/hp/?
- http://{BLOCKED}iban.info/hp/?
- http://c1.{BLOCKED}ics.info/?
- http://i1.{BLOCKED}ty.com/images/accept.png
- http://i1.{BLOCKED}ty.com/images/sidebar.jpg
- http://i1.{BLOCKED}ty.com/images/titlebar.png
- http://r1.{BLOCKED}single.in/
SOLUTION
9.750
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
Restart in Safe Mode
Step 4
Delete this registry key
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_LOCAL_MACHINE\SOFTWARE\Classes\CLSID
- {GUID}
- {GUID}
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall
- {GUID}
- {GUID}
- In HKEY_CURRENT_USER\Software
- WebApp
- WebApp
Step 5
Search and delete these folders
- %User Temp%\{random foldername}\temp
- %User Temp%\{random foldername}\images
- %User Temp%\{random foldername}\installer
- %All Users Profile%\Application Data\{GUID}
Step 6
Search and delete this file
- %User Temp%\{random foldername}\temp.ca
- %User Temp%\{random foldername}\images\loader.gif
- %User Temp%\{random foldername}\images\progressbar.gif
- %User Temp%\{random foldername}\temp\bg.ca
- %All Users Profile%\Application Data\{GUID}\{malware filename}.dat
- %Desktop%\{malware filename}.lnk
- %User Startup%\{malware filename}.lnk
- %Windows%\Tasks\Bidaily Synchronize Task.job
Step 7
Restart in normal mode and scan your computer with your Trend Micro product for files detected as ADW_MULTIPLUG.GD. 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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