TSPY_KEYLOG.JWE
Trojan.ADH (Symantec); ARC:Xenocode (Kaspersky); Trojan.Win32.Generic!BT (Sunbelt)
Windows 2000, Windows XP, Windows Server 2003
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.
TECHNICAL DETAILS
1,346,005 bytes
EXE
No
22 Jan 2012
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.
Other System Modifications
This spyware deletes the following files:
- %Application Data%\Xenocode\Sandbox\Pictures\4.0.0.1\2011.12.10T10.50\Virtual\XRegistry.bin
(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming on Windows Vista and 7.)
It adds the following registry keys:
HKEY_CURRENT_USER\Software\Xenocode
HKEY_CURRENT_USER\Software\Xenocode\
SandboxCache
HKEY_CURRENT_USER\Software\Xenocode\
SandboxCache\019EC25A
HKEY_CURRENT_USER\Software\Xenocode\
SandboxCache\019EC25A\Virtual
HKEY_CURRENT_USER\Software\Xenocode\
SandboxCache\019EC25A\Virtual\
MODIFIED
HKEY_CURRENT_USER\Software\Xenocode\
SandboxCache\019EC25A\Virtual\
MODIFIED\@HKLM@
HKEY_CURRENT_USER\Software\Xenocode\
SandboxCache\019EC25A\Virtual\
MODIFIED\@HKCR@
HKEY_CURRENT_USER\Software\Xenocode\
SandboxCache\019EC25A\Virtual\
MODIFIED\@HKCR@\CLSID
It adds the following registry entries:
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Explorer\
MountPoints2\{d94104a5-f82c-11e0-a858-806d6172696f}
BaseClass = "Drive"
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Explorer\
MountPoints2\{d94104a2-f82c-11e0-a858-806d6172696f}
BaseClass = "Drive"
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Explorer\
MountPoints2\D
BaseClass = "Drive"
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Explorer\
Shell Folders
Personal = "%User Profile%\My Documents"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
Shell Folders
Common Documents = "%User Profile%\Documents"
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Explorer\
Shell Folders
Desktop = "%Desktop%"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
Shell Folders
Common Desktop = "%Desktop%"
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Internet Settings\
ZoneMap
ProxyBypass = "1"
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Internet Settings\
ZoneMap
IntranetName = "1"
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Internet Settings\
ZoneMap
UNCAsIntranet = "1"
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Explorer\
Shell Folders
Cache = "%Temporary Internet Files%"
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Explorer\
Shell Folders
Cookies = "%User Profile%\Cookies"
HKEY_CURRENT_USER\Software\Microsoft\
Windows\ShellNoRoam\MUICache
%System Root%\pict7-12-2011.exe = "pict7-12-2011"
Dropping Routine
This spyware drops the following files:
- %Application Data%\Xenocode
- %Application Data%\Xenocode\Sandbox
- %Application Data%\Xenocode\Sandbox\Pictures
- %Application Data%\Xenocode\Sandbox\Pictures\4.0.0.1
- %Application Data%\Xenocode\Sandbox\Pictures\4.0.0.1\2011.12.10T10.50
- %Application Data%\Xenocode\Sandbox\Pictures\4.0.0.1\2011.12.10T10.50\Virtual
- %Application Data%\Xenocode\Sandbox\Pictures\4.0.0.1\2011.12.10T10.50\Virtual\STUBEXE
- %Application Data%\Xenocode\Sandbox\Pictures\4.0.0.1\2011.12.10T10.50\Virtual\STUBEXE\@APPDIR@
- %Application Data%\Xenocode\Sandbox\Pictures\4.0.0.1\2011.12.10T10.50\Virtual\STUBEXE\@APPDIR@\pict7-12-2011.exe
(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming on Windows Vista and 7.)
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_CURRENT_USER\Software
- Xenocode
- In HKEY_CURRENT_USER\Software\Xenocode
- SandboxCache
- In HKEY_CURRENT_USER\Software\Xenocode\SandboxCache
- 019EC25A
- In HKEY_CURRENT_USER\Software\Xenocode\SandboxCache\019EC25A
- Virtual
- In HKEY_CURRENT_USER\Software\Xenocode\SandboxCache\019EC25A\Virtual
- MODIFIED
- In HKEY_CURRENT_USER\Software\Xenocode\SandboxCache\019EC25A\Virtual\MODIFIED
- @HKLM@
- In HKEY_CURRENT_USER\Software\Xenocode\SandboxCache\019EC25A\Virtual\MODIFIED
- @HKCR@
- In HKEY_CURRENT_USER\Software\Xenocode\SandboxCache\019EC25A\Virtual\MODIFIED\@HKCR@
- CLSID
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\Explorer\MountPoints2\{d94104a5-f82c-11e0-a858-806d6172696f}
- BaseClass="Drive"
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{d94104a2-f82c-11e0-a858-806d6172696f}
- BaseClass="Drive"
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\D
- BaseClass="Drive"
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders
- Personal="%User Profile%\My Documents"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders
- Common Documents="%User Profile%\Documents"
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders
- Desktop="%Desktop%"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders
- Common Desktop="%Desktop%"
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
- ProxyBypass="1"
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
- IntranetName="1"
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
- UNCAsIntranet="1"
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders
- Cache="%Temporary Internet Files%"
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders
- Cookies="%User Profile%\Cookies"
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\ShellNoRoam\MUICache
- %System Root%\pict7-12-2011.exe="pict7-12-2011"
Step 4
Search and delete these components
- %Application Data%\Xenocode
- %Application Data%\Xenocode\Sandbox
- %Application Data%\Xenocode\Sandbox\Pictures
- %Application Data%\Xenocode\Sandbox\Pictures\4.0.0.1
- %Application Data%\Xenocode\Sandbox\Pictures\4.0.0.1\2011.12.10T10.50
- %Application Data%\Xenocode\Sandbox\Pictures\4.0.0.1\2011.12.10T10.50\Virtual
- %Application Data%\Xenocode\Sandbox\Pictures\4.0.0.1\2011.12.10T10.50\Virtual\STUBEXE
- %Application Data%\Xenocode\Sandbox\Pictures\4.0.0.1\2011.12.10T10.50\Virtual\STUBEXE\@APPDIR@
- %Application Data%\Xenocode\Sandbox\Pictures\4.0.0.1\2011.12.10T10.50\Virtual\STUBEXE\@APPDIR@\pict7-12-2011.exe
Step 5
Scan your computer with your Trend Micro product to delete files detected as TSPY_KEYLOG.JWE. 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.
Step 6
Restore this file from backup only Microsoft-related files will be restored. If this malware/grayware also deleted files related to programs that are not from Microsoft, please reinstall those programs on you computer again. %Application Data%\Xenocode\Sandbox\Pictures\4.0.0.1\2011.12.10T10.50\Virtual\XRegistry.bin
Did this description help? Tell us how we did.