ADW_DEALP
a variant of Win32/DealPly.S application(NOD32)
Windows
![](/vinfo/imgFiles/legend.jpg)
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.
It uses Windows Task Scheduler to create a scheduled task that executes the dropped copy.
It requires its main component to successfully perform its intended routine.
TECHNICAL DETAILS
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 copies of itself into the affected system and executes them:
- %Application Data%\DigitalSites\UpdateProc\UpdateTask.exe
(Note: %Application Data% is the Application Data folder, where it usually is C:\Documents and Settings\{user name}\Application Data on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming 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:
- %Application Data%\DigitalSites\UpdateProc\bkup.dat
- %Application Data%\DigitalSites\UpdateProc\config.dat
(Note: %Application Data% is the Application Data folder, where it usually is C:\Documents and Settings\{user name}\Application Data on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming 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 uses Windows Task Scheduler to create a scheduled task that executes the dropped copy.
Autostart Technique
The scheduled task executes the malware at the following period:
- Every hour
Other System Modifications
This adware adds the following registry keys:
HKEY_CURRENT_USER\Software\DSiteproducts
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
Digital Sites
It adds the following registry entries:
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
Digital Sites
DisplayIcon = "%Application Data%\DigitalSites\UpdateProc\UpdateTask.exe"
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
Digital Sites
DisplayName = "Digital Sites"
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
Digital Sites
UninstallString = "%Application Data%\DigitalSites\UpdateProc\UpdateTask.exe /Uninstall"
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
Digital Sites
Publisher = "Digital Sites"
Other Details
This adware connects to the following possibly malicious URL:
- http://{BLOCKED}er.dsiteproducts.com
It requires its main component to successfully perform its intended routine.
NOTES:
It creates the following registry entries to enable the automatic execution of its dropped component:
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce DigitalSites = "wscript /E:vbscript /B "%Application Data%\DigitalSites\UpdateProc\bkup.dat""
SOLUTION
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
To delete the added Scheduled Task:
For Windows 2000, Windows XP, and Windows Server 2003:
- Click on Start>Programs>Accessories>System Tools>Scheduled Tasks
- Double-click on a job file.
- Check if the malware path and file name is in the Run: box.
- If it does, delete the job file.
- Repeat step 2-4 for the remaining job files.
For Windows Vista, Windows 7, Windows Server 2008, Windows 8, Windows 8.1, and Windows Server 2012:
- Open the Windows Task Scheduler. To do this:
• On Windows Vista, Windows 7, and Windows Server 2008, click Start, type taskschd.msc in the Search input field, then press Enter.
• On Windows 8, Windows 8.1, and Windows Server 2012, right-click on the lower-left corner of the screen, click Run, type taskschd.msc, then press Enter. - In the left panel, click Task Scheduler Library.
- In the upper-middle panel, select a Task.
- Check if the selected task starts the malware automatically. To do this, check the value in the Details column under the Actions tab in the lower-middle panel.
- If the malware path and file name is found, press DELETE and click Yes to delete the task.
- Repeat steps 3-5 for the remaining tasks.
Step 3
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_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
- DigitalSites = "wscript /E:vbscript /B "%Application Data%\DigitalSites\UpdateProc\bkup.dat""
- DigitalSites = "wscript /E:vbscript /B "%Application Data%\DigitalSites\UpdateProc\bkup.dat""
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_CURRENT_USER\Software
- DSiteproducts
- DSiteproducts
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall
- Digital Sites
- Digital Sites
Step 5
Search and delete this file
- %Application Data%\DigitalSites\UpdateProc\bkup.dat
- %Application Data%\DigitalSites\UpdateProc\config.dat
Step 6
Scan your computer with your Trend Micro product to delete files detected as ADW_DEALP. 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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