TROJ_JORIK.CIQ

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

It does not have any propagation routine.

It does not have any backdoor routine.

It connects to certain URLs. It may do this to remotely inform a malicious user of its installation. It may also do this to download possibly malicious files onto the computer, which puts the computer at a greater risk of infection by other threats. It executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.

It does not have any information-stealing capability.

Arrival Details

This Trojan 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 Trojan drops the following copies of itself into the affected system:

• %User Profile%\Network\igfxhc32.exe
• %User Profile%\Application Data\Sun\Java\Deployment\cache\6.0\42\5612d6aa-{Random Characters}
• %System%\igfxhc32.exe

(Note: %User Profile% is the current user's profile folder, which is usually C:\Windows\Profiles\{user name} on Windows 98 and ME, C:\WINNT\Profiles\{user name} on Windows NT, and C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003.. %System% is the Windows system folder, which is usually C:\Windows\System on Windows 98 and ME, C:\WINNT\System32 on Windows NT and 2000, or C:\Windows\System32 on Windows XP and Server 2003.)

Autostart Technique

This Trojan adds the following registry entries to enable its automatic execution at every system startup:

HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\Run
Intel Control Hub = "%System%\igfxhc32.exe"

Other System Modifications

This Trojan adds the following registry keys:

HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows NT\CurrentVersion\AppCompatFlags

It adds the following registry entries:

HKEY_LOCAL_MACHINE\System\CurrentControlSet\
Services\SharedAccess\Parameters\
FirewallPolicy\DomainProfile\AuthorizedApplications\
List
%System%\igfxhc32.exe = "%System%\igfxhc32.exe:*:Enabled:Intel Control Hub"

HKEY_LOCAL_MACHINE\System\CurrentControlSet\
Services\SharedAccess\Parameters\
FirewallPolicy\StandardProfile\AuthorizedApplications\
List
%System%\igfxhc32.exe = "%System%\igfxhc32.exe:*:Enabled:Intel Control Hub"

HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows NT\CurrentVersion\AppCompatFlags\
Layers
%System%\igfxhc32.exe = "DisableNXShowUI"

Propagation

This Trojan does not have any propagation routine.

Backdoor Routine

This Trojan does not have any backdoor routine.

Download Routine

This Trojan connects to the following malicious URLs:

• http://vps531.{BLOCKED}ackupsrv.su/net/5x2.zip

Trend Micro detects the dowloaded file as:

• WORM_PUSHBOT.AR

It then executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.

Information Theft

This Trojan does not have any information-stealing capability.

NOTES:

Other Details

It does not have rootkit capabilities.

It does not exploit any vulnerability.