WORM_RBOT.AMS

This worm 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 worm 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 creates the following folders:

• %System Root%\DOCUME~1
• %System Root%\DOCUME~1\ADMINI~1
• %User Profile%\LOCALS~1
• %System Root%\DOCUME~1\
• %User Profile%\LOCALS~1\
• %User Temp%\{34347918-C739-4EB6-8CF2-B89DB4DC4B55}\
• %System Root%\MSIabd1.tmp

(Note: %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:\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.. %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.)

Other System Modifications

This worm deletes the following files:

• %User Temp%\nss1.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.)

It deletes the following folders:

• %User Temp%\{34347918-C739-4EB6-8CF2-B89DB4DC4B55}
• %User Profile%\My Pictures\
• %Start Menu%\Programs\Administrative Tools\

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

Dropping Routine

This worm drops the following files:

• %User Temp%\Doctor Sypyware.exe
• %User Temp%\setup.exe
• %User Temp%\_MSI5166._IS
• %User Temp%\_is2.tmp
• %User Temp%\{34347918-C739-4EB6-8CF2-B89DB4DC4B55}\Setup.INI
• %User Temp%\{34347918-C739-4EB6-8CF2-B89DB4DC4B55}\_ISMSIDEL.INI
• %User Temp%\_is3.tmp
• %User Temp%\{34347918-C739-4EB6-8CF2-B89DB4DC4B55}\0x0409.ini
• %User Temp%\_is5.tmp
• %User Temp%\~4.tmp
• %User Temp%\_is6.tmp
• %User Temp%\{34347918-C739-4EB6-8CF2-B89DB4DC4B55}\Advanced Photo Recovery.msi
• %User Temp%\abd0.msi

(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.)

This report is generated via an automated analysis system.