TSPY_WAUCHOS.J
Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Spyware
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This spyware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It deletes the initially executed copy of itself.
TECHNICAL DETAILS
400,384 bytes
EXE
Yes
14 Aug 2014
Arrival Details
This spyware 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 spyware drops the following copies of itself into the affected system:
- %All Users Profile%\ms{random}.exe
(Note: %All Users Profile% is the All Users or Common profile folder, which is C:\Documents and Settings\All Users in Windows 2000, XP, and Server 2003, and C:\ProgramData in Windows Vista and 7.)
It adds the following processes:
- %System%\msiexec.exe
(Note: %System% is the Windows system folder, which is usually C:\Windows\System32.)
Autostart Technique
This spyware adds the following registry entries to enable its automatic execution at every system startup:
HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\policies\
Explorer\Run
{random number} = "%All Users Profile%\ms{random}.exe"
Other System Modifications
This spyware adds the following registry keys:
HKEY_CURRENT_USER\Software\ASProtect\
SpecData
It adds the following registry entries:
HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\policies\
Explorer
TaskbarNoNotification = "0"
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\policies\
Explorer
TaskbarNoNotification = "0"
HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\policies\
Explorer
HideSCAHealth = "0"
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\policies\
Explorer
HideSCAHealth = "0"
HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\policies\
Explorer
EnableLUA = "0"
Other Details
This spyware connects to the following possibly malicious URL:
- http://{BLOCKED}a.in/forum/forum.php
- http://{BLOCKED}2.in/forum/forum.php
- http://{BLOCKED}3.in/forum/forum.php
It deletes the initially executed copy of itself
SOLUTION
9.700
10.984.05
14 Aug 2014
10.985.00
15 Aug 2014
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
Scan your computer with your Trend Micro product and note files detected as TSPY_WAUCHOS.J
Step 4
Restart in Safe Mode
Step 5
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\policies\Explorer\Run
- {random number} = "%All Users Profile%\ms{random}.exe"
- {random number} = "%All Users Profile%\ms{random}.exe"
- In HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\policies\Explorer
- TaskbarNoNotification = "0"
- TaskbarNoNotification = "0"
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\policies\Explorer
- TaskbarNoNotification = "0"
- TaskbarNoNotification = "0"
- In HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\policies\Explorer
- HideSCAHealth = "0"
- HideSCAHealth = "0"
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\policies\Explorer
- HideSCAHealth = "0"
- HideSCAHealth = "0"
- In HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\policies\Explorer
- EnableLUA = "0"
- EnableLUA = "0"
Step 6
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\ASProtect
- SpecData
- SpecData
Step 7
Restart in normal mode and scan your computer with your Trend Micro product for files detected as TSPY_WAUCHOS.J. 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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