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Trojan-Backdoor.ketch Analysis Report
Threat Submitted On: 9/18/2008 6:40:42 PM
Threat Analysed On: 9/18/2008 11:40:42 PM
Threat Updated On: 1/28/2011 3:00:19 PM
Type : Trojan-Backdoor
Symptoms of ketch
  • Performs malicious activities.
  • Fetches the user’s sensitive information.
  • Enables the attacker to control the system remotely.
Alias : backdoor.win32.ketch.j
Md5 Hash : [b1249a8cdc016b41533bad17b74ad49d]
File Size : (121232 bytes)

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: [randomname].exe
Path : %workingdir%

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Collapse Md5Hash :Md5Hash :
1149c42fd8cf3ca7d00ef55a6337befe ( 262144 bytes)
135a54ec5482e824a18ee4a943f11374 ( 103938 bytes)
15307ce795213920292297fbf1254d48 ( 103936 bytes)
18e5ab5f97937648894d72ff09c5003d ( 262144 bytes)
228331db3ed27ef9cdf7c16221491156 ( 262146 bytes)
25549c3923e2be33253402800e6745fa ( 262146 bytes)
43e47cf90ccd61a7f881f8de03790f36 ( 270336 bytes)
631deddde57ab07ef5a1009dd447f8ab ( 407659 bytes)
63c55ad21e0771c7f9ca71ec3bfcea0f ( 121168 bytes)
9d7be3799594a82bf7056905f501af03 ( 103424 bytes)
ae616c2ae3dfb760b136880701dd4ecd ( 102912 bytes)
b1249a8cdc016b41533bad17b74ad49d ( 121232 bytes)
b940bee9e1b81540d6adf2a937fb15d3 ( 262144 bytes)
e5b6792948e7e96201d13099d59096aa ( 262146 bytes)
ee314e1b913a09ec86c63d7186d8f0b8 ( 104960 bytes)
f321f5893d5fdaa3cd8f977f6720a4a4 ( 274432 bytes)
Creates the following child process(s) on execution:

%windir%\system32\dwwin.exe -x -s 1340


Creates the Following MUTEX(s) on user's System:-


1. %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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