ADW_REGUS
a variant of Win32/Adware.RegRevive (NOD32), RegWork (Sophos),
Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)

Threat Type: Adware
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This adware arrives as a component bundled with malware/grayware packages.
It requires its main component to successfully perform its intended routine.
TECHNICAL DETAILS
375,976 bytes
EXE
Yes
09 Jan 2013
Arrival Details
This adware arrives as a component bundled with malware/grayware packages.
Installation
This adware drops the following file(s)/component(s):
- %All Users' Profile%\Application Data\RegUse\ignorelist.xml
- %All Users' Profile%\Application Data\RegUse\settings.xml
- %Windows%\Tasks\RegUse.job
- {Malware Path}\Logs\CancelTrack2.log
- {Malware Path}\Logs\CThreadManager.log
- {Malware Path}\Logs\Logger.log
(Note: %Windows% is the Windows folder, which is usually C:\Windows.)
It creates the following folders:
- %All Users' Profile%\Application Data\RegUse
- %All Users' Profile%\Application Data\RegUse\Backups
- {Malware Path}\Logs
Autostart Technique
This adware adds the following registry entries to enable its automatic execution at every system startup:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Run
RegUse = "{Malware Path and File Name}"
Other Details
This adware requires its main component to successfully perform its intended routine.
NOTES:
{Malware Path} is the path where the malware is executed.
SOLUTION
9.300
1.363.01
09 Jan 2013
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 value
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\Microsoft\Windows\CurrentVersion\Run
- RegUse = "{Malware Path and File Name}"
- RegUse = "{Malware Path and File Name}"
Step 3
Search and delete these files
- %All Users' Profile%\Application Data\RegUse\ignorelist.xml
- %All Users' Profile%\Application Data\RegUse\settings.xml
- %Windows%\Tasks\RegUse.job
- {Malware Path}\Logs\CancelTrack2.log
- {Malware Path}\Logs\CThreadManager.log
- {Malware Path}\Logs\Logger.log
Step 4
Search and delete these folders
- %All Users' Profile%\Application Data\RegUse
- %All Users' Profile%\Application Data\RegUse\Backups
- {Malware Path}\Logs
Step 5
Scan your computer with your Trend Micro product to delete files detected as ADW_REGUS. 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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