TSPY_AIBATOOK.AA
a variant of Win32/Spy.Aibatook.B trojan(Eset)
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: Spyware
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This spyware may be dropped by other malware. It arrives as a component bundled with malware/grayware packages.
It deletes registry entries, causing some applications and programs to not function properly.
TECHNICAL DETAILS
138,752 bytes
DLL
Yes
14 Oct 2013
Arrival Details
This spyware may be dropped by other malware.
It arrives as a component bundled with malware/grayware packages.
Other System Modifications
This spyware modifies the following registry entries:
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Internet Settings
ProxyEnable = "0"
(Note: The default value data of the said registry entry is 1.)
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Internet Settings
ProxyOverride = ""
(Note: The default value data of the said registry entry is <-loopback>;.)
HKEY_CURRENT_CONFIG\Software\Microsoft\
windows\CurrentVersion\Internet Settings
ProxyEnable = "0"
(Note: The default value data of the said registry entry is 1.)
It deletes the following registry entries:
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Internet Settings
ProxyServer = "http=127.0.0.1:8888;https=127.0.0.1:8888"
Other Details
This spyware connects to the following possibly malicious URL:
- http://www.{BLOCKED}jtj.info/mail.asp?MAC={MAC Address}&VER={OS Version}
SOLUTION
9.700
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
Restart in Safe Mode
Step 3
Restore this modified 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\Internet Settings
- From: ProxyEnable = "0"
To: ProxyEnable = 1
- From: ProxyEnable = "0"
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
- From: ProxyOverride = ""
To: ProxyOverride = <-loopback>;
- From: ProxyOverride = ""
- In HKEY_CURRENT_CONFIG\Software\Microsoft\windows\CurrentVersion\Internet Settings
- From: ProxyEnable = "0"
To: ProxyEnable = 1
- From: ProxyEnable = "0"
Step 4
Restore this deleted registry key/value from backup
*Note: Only Microsoft-related keys/values will be restored. If the malware/grayware also deleted registry keys/values related to programs that are not from Microsoft, please reinstall those programs on your computer.
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
- ProxyServer = "http=127.0.0.1:8888;https=127.0.0.1:8888"
- ProxyServer = "http=127.0.0.1:8888;https=127.0.0.1:8888"
Step 5
Restart in normal mode and scan your computer with your Trend Micro product for files detected as TSPY_AIBATOOK.AA. 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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