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Trojan-Downloader.easyspywarecleaner Analysis Report
Threat Submitted On: 9/8/2008 12:05:08 PM
Threat Analysed On: 9/8/2008 5:05:08 PM
Threat Updated On: 1/27/2011 5:22:29 PM
Type : Trojan-Downloader
Symptoms of easyspywarecleaner
  • Connects to remote websites or FTP as and when there is an internet connection
  • Downloads and installs malicious files.
Alias : trojan-downloader.win32.easyspywarecleaner.c
Md5 Hash : [9263ad85e14b0605e1391847141d47b2]
File Size : [Not Available]

Technical Details

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

Creates the following infected Files on user's System
Delete the following Files to remove Infection
File: .ttd.tmp
Path : %temp%

Md5Hash :762af051e83806ba1944fcbdb755836c ( 1613884 bytes)
File: ctfmona.exe
Path : %windir%\system32

Md5Hash :9263ad85e14b0605e1391847141d47b2 ( 20524 bytes)
File: [randomname].exe
Path : %workingdir%

Md5Hash :9263ad85e14b0605e1391847141d47b2 ( bytes)
The following Registry Values are added to the provided Registry Keys :-
Delete the added Values from the Key to remove Infection
|__ Value Added :
ctfmona = "%windir%\system32\ctfmona.exe"
|__ Value Added :
inrhclnrj0er2c = "%TEMP%\.ttd.tmp.exe /cr=bdc9de632a7a5faf5b3867689ceab59332b459ce52c466f28e0222031810bf6d497979f94e772137850367e7a71fc9924beea834c9"
Creates the following child process(s) on execution:


%systemdrive%\docume~1\antisp~1.c10\locals~1\temp\.ttd.tmp /aid=6669dd8703120d9bb4b3b329cf3ef38b

Creates the Following MUTEX(s) on user's System:-
Tries To Connect to The Following Urls:-
Http_Version :http/1.1
Http_Version :http/1.1
Http_Version :http/1.1
Http_Version :http/1.1
Http_Version :http/1.1
Moves the Following Files to Given Location :-
Moves :%workingdir%\[random name].exe
To : %windir%\system32\ctfmona.exe


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

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 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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