TROJ_CINMUS.MIC

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.

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 creates the following folders:

• %User Temp%\nsp3.tmp
• %System Root%\DOCUME~1
• %System Root%\DOCUME~1\ADMINI~1
• %User Profile%\LOCALS~1
• %User Temp%\nsr5.tmp

(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista and 7.. %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.. %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.)

Other System Modifications

This Trojan deletes the following files:

• %User Temp%\nsu1.tmp
• %User Temp%\nsp3.tmp
• %User Temp%\nsl4.tmp
• %User Temp%\nsr5.tmp

(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista and 7.)

It deletes the following folders:

• %User Temp%\nsp3.tmp\
• %User Temp%\nsr5.tmp\

(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista and 7.)

It adds the following registry keys:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
IDSCNP

It adds the following registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
IDSCNP
p = 1de7

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
IDSCNP
d = cc9b4ec3

Dropping Routine

This Trojan drops the following files:

• %User Temp%\nsu2.tmp
• %User Temp%\nsp3.tmp\System.dll
• %User Temp%\7.exe
• %User Temp%\nsr5.tmp\System.dll
• %User Temp%\DoSSSetup.dll
• %User Temp%\acpidisk.sys
• %System%\drivers\acpidisk.sys

(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista and 7.. %System% is the Windows system folder, which is usually C:\Windows\System32.)

This report is generated via an automated analysis system.