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Worm-Net.nanspy.ac Analysis Report
Threat Submitted On: 8/12/2008 9:00:39 PM
Threat Analysed On: 8/13/2008 2:00:39 AM
Threat Updated On: 11/15/2009 6:05:18 PM
Type : Worm-Net
Symptoms of nanspy.ac
  • Copies itself to other computers of the same LAN thereby infecting the whole LAN.
  • Copies its files to all the possible shared resources of the network.
  • Modifies the SYSTEM.INI and WIN.INI files and can even make itself execute at start-up.
Information
Alias : net-worm.win32.nanspy.ac
Md5 Hash : [53d259c6d14f046a049d55a4de895de3]
File Size : (72707 bytes)

Here are the Technical findings of our analysis team after analyzing this malware in detail :-

Creates the following infected Files on user's System
Note:
Delete the following Files to remove Infection
File: mmsvc32.exe
Path : %windir%\system32
Md5Hash :53d259c6d14f046a049d55a4de895de3 ( 72707 bytes)
File: [randomname].exe
Path : %workingdir%
Md5Hash :53d259c6d14f046a049d55a4de895de3 ( 72707 bytes)
Also creates the following files on user's System which are also created by Genuine Software :-
Note:
These file(s) can be kept as they are also created by genuine Software.
File : desktop.ini
Path : %homepath%\my documents
Md5Hash :869cba0364c55b0c6524419a8b86df88 ( 83 bytes)
The following Registry Values are added to the provided Registry Keys :-
Note:
Delete the added Values from the Key to remove Infection
|__ Value Added :
microsoft network services controller = "%windir%\system32\mmsvc32.exe"
Creates the following child process(s) on execution:

%workingdir%\[random name].exe

%windir%\system32\mmsvc32.exe

%windir%\system32\cmd.exe /c echo poison>%windir%\system32\1.htm

Copies the Following Files to Given Location :-

Copies :%workingdir%\[random name].exe

To : %windir%\system32\mmsvc32.exe

NOTE:

1. %windir% Refers to the windows root folder. By default it is 'C:\Windows'
2. %workingdir% Refers to the current directory in which user is working.
3. %homepath% Refers to the windows current user's profile folder. By default it is 'C:\Documents and Settings\[user]'

Important: We strongly recommend that you backup the Registry before making any changes to it. Incorrect changes to the Registry can result in permanent data loss or corrupted Files. Modify the malicious\suspicious Subkeys only.

Click Here for more spywarelib.com recommended PC Security and Optimization Tools

To modify registry entries in Windows Operating System:
Follow Steps:
1. Click Start > Run
2. Type “regedit” : to open registry editor
3. Navigate to required registry Key from the Left Tree control and modify accordingly.

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