WORM_ALLAPLE.PF
Worm:Win32/Allaple.A (Microsoft); W32/RAHack (McAfee); W32.Rahack.W (Symantec); Net-Worm.Win32.Allaple.e (Kaspersky); Net-Worm.Win32.Allaple.gen (v) (Sunbelt); Net-Worm:W32/Allaple.gen!B (FSecure)
Windows 2000, Windows XP, Windows Server 2003
Threat Type: Worm
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This worm 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
169,984 bytes
EXE
No
27 Sep 2012
Arrival Details
This worm 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 worm drops the following copies of itself into the affected system:
- %System%\urdvxc.exe
(Note: %System% is the Windows system folder, which is usually C:\Windows\System32.)
Other System Modifications
This worm adds the following registry keys:
HKEY_CLASSES_ROOT\CLSID\{EA95D00C-E49D-8702-403D-F66E8E1D797F}
HKEY_CLASSES_ROOT\CLSID\{EA95D00C-E49D-8702-403D-F66E8E1D797F}\
LocalServer32
HKEY_CLASSES_ROOT\CLSID\{35349B95-82D3-1178-19ED-0E5D2312F5C0}
HKEY_CLASSES_ROOT\CLSID\{35349B95-82D3-1178-19ED-0E5D2312F5C0}\
LocalServer32
HKEY_CLASSES_ROOT\CLSID\{D2498B94-25F7-A0BB-F8CD-F0F9FF4DFDC3}
HKEY_CLASSES_ROOT\CLSID\{D2498B94-25F7-A0BB-F8CD-F0F9FF4DFDC3}\
LocalServer32
HKEY_CLASSES_ROOT\CLSID\{541C14FC-A3AA-C18E-DBF1-600A7FA7940B}
HKEY_CLASSES_ROOT\CLSID\{541C14FC-A3AA-C18E-DBF1-600A7FA7940B}\
LocalServer32
HKEY_CLASSES_ROOT\CLSID\{7D2E936C-285C-5A66-3FE8-B76B480783C6}
HKEY_CLASSES_ROOT\CLSID\{7D2E936C-285C-5A66-3FE8-B76B480783C6}\
LocalServer32
HKEY_CLASSES_ROOT\CLSID\{6455A07B-5629-2D89-9412-B3A2DD705BDE}
HKEY_CLASSES_ROOT\CLSID\{6455A07B-5629-2D89-9412-B3A2DD705BDE}\
LocalServer32
HKEY_CLASSES_ROOT\CLSID\{0BD9D438-2B62-1078-724B-E27EBD7F7A8F}
HKEY_CLASSES_ROOT\CLSID\{0BD9D438-2B62-1078-724B-E27EBD7F7A8F}\
LocalServer32
HKEY_CLASSES_ROOT\CLSID\{4222E084-9879-6354-96E0-20C15ACDC125}
HKEY_CLASSES_ROOT\CLSID\{4222E084-9879-6354-96E0-20C15ACDC125}\
LocalServer32
This report is generated via an automated analysis system.
SOLUTION
9.200
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 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_CLASSES_ROOT\CLSID
- {EA95D00C-E49D-8702-403D-F66E8E1D797F}
- In HKEY_CLASSES_ROOT\CLSID\{EA95D00C-E49D-8702-403D-F66E8E1D797F}
- LocalServer32
- In HKEY_CLASSES_ROOT\CLSID
- {35349B95-82D3-1178-19ED-0E5D2312F5C0}
- In HKEY_CLASSES_ROOT\CLSID\{35349B95-82D3-1178-19ED-0E5D2312F5C0}
- LocalServer32
- In HKEY_CLASSES_ROOT\CLSID
- {D2498B94-25F7-A0BB-F8CD-F0F9FF4DFDC3}
- In HKEY_CLASSES_ROOT\CLSID\{D2498B94-25F7-A0BB-F8CD-F0F9FF4DFDC3}
- LocalServer32
- In HKEY_CLASSES_ROOT\CLSID
- {541C14FC-A3AA-C18E-DBF1-600A7FA7940B}
- In HKEY_CLASSES_ROOT\CLSID\{541C14FC-A3AA-C18E-DBF1-600A7FA7940B}
- LocalServer32
- In HKEY_CLASSES_ROOT\CLSID
- {7D2E936C-285C-5A66-3FE8-B76B480783C6}
- In HKEY_CLASSES_ROOT\CLSID\{7D2E936C-285C-5A66-3FE8-B76B480783C6}
- LocalServer32
- In HKEY_CLASSES_ROOT\CLSID
- {6455A07B-5629-2D89-9412-B3A2DD705BDE}
- In HKEY_CLASSES_ROOT\CLSID\{6455A07B-5629-2D89-9412-B3A2DD705BDE}
- LocalServer32
- In HKEY_CLASSES_ROOT\CLSID
- {0BD9D438-2B62-1078-724B-E27EBD7F7A8F}
- In HKEY_CLASSES_ROOT\CLSID\{0BD9D438-2B62-1078-724B-E27EBD7F7A8F}
- LocalServer32
- In HKEY_CLASSES_ROOT\CLSID
- {4222E084-9879-6354-96E0-20C15ACDC125}
- In HKEY_CLASSES_ROOT\CLSID\{4222E084-9879-6354-96E0-20C15ACDC125}
- LocalServer32
Step 3
Scan your computer with your Trend Micro product to delete files detected as WORM_ALLAPLE.PF. 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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