Trojan.GenericKD.30653264 (BITDEFENDER), TR/Crypt.ZPACK.zocxb (ANTIVIR)
Windows
This Trojan Spy arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites. It may be downloaded by other malware/grayware from remote sites.
It does not have any propagation routine.
It does not have any backdoor routine.
It connects to certain websites to send and receive information. It deletes the initially executed copy of itself.
Arrival Details
This Trojan Spy arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It may be downloaded by the following malware/grayware from remote sites:
It may be downloaded from the following remote sites:
Installation
This Trojan Spy drops the following copies of itself into the affected system and executes them:
(Note: %Application Data% is the Application Data folder, where it usually is C:\Documents and Settings\{user name}\Application Data on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)
It drops the following files:
(Note: %Desktop% is the desktop folder, where it usually is C:\Documents and Settings\{user name}\Desktop in Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\Desktop in Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)
It drops and executes the following files:
(Note: %User Temp% is the user's temporary folder, where it usually is C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Local\Temp on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)
It creates the following folders:
(Note: %Application Data% is the Application Data folder, where it usually is C:\Documents and Settings\{user name}\Application Data on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)
It injects codes into the following process(es):
Autostart Technique
This Trojan Spy adds the following registry entries to enable its automatic execution at every system startup:
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
{string1}{string2} = "%Application Data%\{string1}{string2}\{string1}{string2}.exe"
Other System Modifications
This Trojan Spy adds the following registry keys:
HKEY_CURRENT_USER\Software\AppDataLow\
Software\Microsoft\{GUID}
HKEY_CURRENT_USER\Software\AppDataLow\
Software\Microsoft\{GUID}\
Vars
HKEY_CURRENT_USER\Software\AppDataLow\
Software\Microsoft\{GUID}\
Files
HKEY_CURRENT_USER\Software\AppDataLow\
Software\Microsoft\{GUID}\
Run
HKEY_CURRENT_USER\Software\AppDataLow\
Software\Microsoft\{GUID}\
Config
It adds the following registry entries:
HKEY_CURRENT_USER\Software\AppDataLow\
Software\Microsoft\{GUID}
{UID} = "{hex value}"
HKEY_CURRENT_USER\Software\AppDataLow\
Software\Microsoft\{GUID}
{Value Name} = "{hex value}"
where {Value Name} may be any of the following:
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Internet Settings
EnableSPDY3_0 = "0"
Propagation
This Trojan Spy does not have any propagation routine.
Backdoor Routine
This Trojan Spy does not have any backdoor routine.
Rootkit Capabilities
This Trojan Spy does not have rootkit capabilities.
Process Termination
This Trojan Spy terminates the following processes if found running in the affected system's memory:
Dropping Routine
This Trojan Spy drops the following files wherein it saves the information it gathers:
(Note: %User Temp% is the user's temporary folder, where it usually is C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Local\Temp on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)
Information Theft
This Trojan Spy gathers the following data:
Stolen Information
This Trojan Spy sends the gathered information via HTTP POST to the following URL:
Other Details
This Trojan Spy connects to the following website to send and receive information:
It does the following:
It deletes the initially executed copy of itself
NOTES:
The file systeminfo.exe returns the following system information:
Host Name
OS Name, Version, Manufacturer
Configuration and Build Type
Registered Owner and Organization
Product ID
Original Install Date
System Up Time
System Manufacturer, Model and type
Processor(s)
BIOS version
Windows and System directory
Boot Device
System and Input Locale
Time Zone
Total and Available Memory
Virtual Memory information (Max, Available, In Use)
Page file locations
Domain
Logon server
Hotfix(es)
Network card(s)
It displays the following message box if it runs under a virtual machine or sandbox:
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
Restart in Safe Mode
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.
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.
Step 6
Search and delete these files
Step 7
Restart in normal mode and scan your computer with your Trend Micro product for files detected as TSPY_URSNIF.TIBAIBX. 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.