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Trojan.cd_open Analysis Report
Threat Submitted On: 6/9/2009 3:18:39 PM
Threat Analysed On: 6/9/2009 8:18:39 PM
Threat Updated On: 1/27/2011 5:16:02 PM
Type : Trojan
Symptoms of cd_open
  • Performs illicit activities under the disguise of a useful program.
  • Download malicious code and programs such as keyloggers.
  • It is capable of fetching user’s personal and confidential information.
Alias :
Md5 Hash : [Not Available]
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: systrsy.exe
Path : %programfiles%\internet explorer

Md5Hash :816aa969c49a6c13e1e01d331db4488e ( 73730 bytes)
File: 579060124aac364d839a19e5d2b6eea6.exe
Path : %windir%\system32

Md5Hash :579060124aac364d839a19e5d2b6eea6 ( 36866 bytes)
File: [randomname].exe
Path : %workingdir%

Skip Navigation Links.
Collapse Md5Hash :Md5Hash :
03aebfad0cd5fc4ca5efec2501e634cf ( 18432 bytes)
05ac4908235711d535d415fc684693dc ( 144898 bytes)
077c838525bef76567dd8582590f7a5e ( 3346 bytes)
24cef4089e76d14178f4b5c563ad0fcf ( 368640 bytes)
34c15d4293f38a9d379640fe06c94506 ( 16386 bytes)
579060124aac364d839a19e5d2b6eea6 ( 36866 bytes)
60170ef745147522b82b4839d5ffc504 ( 18434 bytes)
6b04d5bbaaa09684c42d5555eb74db53 ( 16384 bytes)
816aa969c49a6c13e1e01d331db4488e ( 73730 bytes)
84df945563adf27a2aeeac7408291e6c ( 4096 bytes)
980c73067d65443e3e1365c4f63d7aab ( 49001 bytes)
e18ed5f24ae0fd8f1d51f67ed4332625 ( 928 bytes)
f118a53e69a984aacf7818abeadf3f44 ( 712355 bytes)
feb8bbb086edbce641da25e6afb8d050 ( 20482 bytes)
The following Registry Values are added to the provided Registry Keys :-
Delete the added Values from the Key to remove Infection
|__ Value Added :
frik = "%SYSTEMDRIVE%\data\05ac4908235711d535d415fc684693dc.exe"
|__ Value Added :
patchcd-rom = "%windir%\system32\579060124aac364d839a19e5d2b6eea6.exe"


1. %programfiles% Refers to the program files folder. By default it is 'C:\Program Files'
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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