WORM_SPYEYES.BIJ
Trojan:Win32/EyeStye.N (Microsoft), Flyagent (McAfee), Trojan-Spy.Win32.SpyEyes.ikd (Kaspersky), Troj/SpyEye-DY (Sophos), Trojan-Spy.Win32.SpyEyes.fyx (v) (Sunbelt)
Windows 2000, Windows XP, Windows Server 2003
Threat Type: Worm
Destructiveness: No
Encrypted: Yes
In the wild: Yes
OVERVIEW
This worm arrives by connecting affected removable drives to a system. It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It drops an AUTORUN.INF file to automatically execute the copies it drops when a user accesses the drives of an affected system.
It also has rootkit capabilities, which enables it to hide its processes and files from the user.
It modifies the Internet Explorer Zone Settings.
It deletes the initially executed copy of itself.
TECHNICAL DETAILS
Arrival Details
This worm arrives by connecting affected removable drives to a system.
It 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 Root%\win32\7D3B99B55BC.exe
(Note: %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.)
It drops the following files:
- %System Root%\win32\14214CFE7056B0C - encrypted configuration file
(Note: %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.)
It creates the following folders:
- %System Root%\win32
(Note: %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.)
Autostart Technique
This worm adds the following registry entries to enable its automatic execution at every system startup:
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
7X3V9JVFXE8VYEZDDDKKLAQSXDZJ = "%System Root%\win32\7D3B99B55BC.exe /q"
Other System Modifications
This worm adds the following registry keys:
HKEY_CURRENT_USER\Software\Microsoft Windows
Propagation
This worm creates the following folders in all removable drives:
- {removable drive letter}:\RECYCLER
It drops the following copy(ies) of itself in all removable drives:
- {removable drive letter}:\RECYCLER\csrss.exe
It drops an AUTORUN.INF file to automatically execute the copies it drops when a user accesses the drives of an affected system.
The said .INF file contains the following strings:
[autorun]
shellexecute=RECYCLER\csrss.exe
action=Open folder to view files
useautoplay=1
icon=shell32.dll,7
shell\explore\command=RECYCLER\csrss.exe
shell\open\command=RECYCLER\csrss.exe
Rootkit Capabilities
This worm also has rootkit capabilities, which enables it to hide its processes and files from the user.
Web Browser Home Page and Search Page Modification
This worm modifies the Internet Explorer Zone Settings.
Stolen Information
This worm sends the gathered information via HTTP POST to the following URL:
- http://www.{BLOCKED}x.ru/stats/a.php
Other Details
This worm deletes the initially executed copy of itself
NOTES:
It injects itself to all processes except the following:
- System
- smss.exe
- csrss.exe
- services.exe
- 7D3B99B55BC.exe
It communicates to the following command and control (C&C)server:
- http://{BLOCKED}w.valuecommerce.su/jump.php
It posts the following message in MSN Messenger, Skype, and Windows Live Messenger:
check this out,a new facebook feature http://facebook-{BLOCKED}e.com/forum.php?tp=ed402b19f555ec1d {random number}
It steals login information from the following sites:
- Liberty Reserve
- PayPal
- Yahoo!
It captures entered information in web forms related to banking institutions.
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
Restart in Safe Mode
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\Run
- 7X3V9JVFXE8VYEZDDDKKLAQSXDZJ = "%System Root%\win32\7D3B99B55BC.exe /q"
- 7X3V9JVFXE8VYEZDDDKKLAQSXDZJ = "%System Root%\win32\7D3B99B55BC.exe /q"
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
- Microsoft Windows
- Microsoft Windows
Step 5
Search and delete these folders
- %System Root%\win32
- {removable drive letter}:\RECYCLER
Step 6
Search and delete AUTORUN.INF files created by WORM_SPYEYES.BIJ that contain these strings
Step 7
Reset Internet security settings
Step 8
Restart in normal mode and scan your computer with your Trend Micro product for files detected as WORM_SPYEYES.BIJ. 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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