ADW_AUTORUN
Windows 2000, Windows XP, Windows Server 2003
Threat Type: Adware
Destructiveness: No
Encrypted: Yes
In the wild: Yes
OVERVIEW
This adware may be dropped by other malware.
TECHNICAL DETAILS
NOTES:
Arrival Details
This adware may be dropped by other malware.
Autostart Technique
This adware adds the following registry keys to install itself as a Browser Helper Object (BHO):
HKEY_CLASSES_ROOT\CLSID
{DC888631-57F5-4AF4-86B3-BDE5F854DCBF} =
HKEY_CLASSES_ROOT\Interface
{5ECDAA08-B706-41C6-8F09-C69D1C45C66A} =
HKEY_CLASSES_ROOT
PWFlash.PowerFlash =
HKEY_CLASSES_ROOT
PWFlash.PowerFlash.1 =
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
Browser Helper Objects
{DC888631-57F5-4AF4-86B3-BDE5F854DCBF} =
Other System Modifications
This adware adds the following registry entries:
HKEY_CLASSES_ROOT\PWFlash.PowerFlash
(Default) = PowerFlash Class
HKEY_CLASSES_ROOT\PWFlash.PowerFlash.1
(Default) = PowerFlash Class
HKEY_CLASSES_ROOT\PWFlash.PowerFlash.1\CLSID
(Default) = {DC888631-57F5-4AF4-86B3-BDE5F854DCBF}
HKEY_CLASSES_ROOT\PWFlash.PowerFlash\CurVer
(Default) = PWFlash.PowerFlash.1
Other Details
Based on analysis of the codes, it has the following capabilities:
- It may monitor the browsing activities of the affected system and redirect to other URLs to display advertisements or boost hit count.
SOLUTION
Step 1
For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.
Step 2
Scan your computer with your Trend Micro product and note files detected as ADW_AUTORUN
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. Before you could do this, you must restart in Safe Mode. For instructions on how to do this, you may refer to this page If the preceding step requires you to restart in safe mode, you may proceed to edit the system registry.
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects
- {DC888631-57F5-4AF4-86B3-BDE5F854DCBF}
- {DC888631-57F5-4AF4-86B3-BDE5F854DCBF}
- In HKEY_CLASSES_ROOT\CLSID
- {DC888631-57F5-4AF4-86B3-BDE5F854DCBF}
- {DC888631-57F5-4AF4-86B3-BDE5F854DCBF}
- In HKEY_CLASSES_ROOT\Interface
- {5ECDAA08-B706-41C6-8F09-C69D1C45C66A}
- {5ECDAA08-B706-41C6-8F09-C69D1C45C66A}
- In HKEY_CLASSES_ROOT
- PWFlash.PowerFlash
- PWFlash.PowerFlash
- In HKEY_CLASSES_ROOT
- PWFlash.PowerFlash.1
- PWFlash.PowerFlash.1
- In HKEY_CLASSES_ROOT\TypeLib
- {C3F4AE31-32C0-4D31-A90C-7B774CA8683D}
- {C3F4AE31-32C0-4D31-A90C-7B774CA8683D}
Step 5
Search and delete the file detected as ADW_AUTORUN
Step 6
Restart in normal mode and scan your computer with your Trend Micro product for files detected as ADW_AUTORUN. 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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