Home Malware Programs Trojans Win32.Mebroot.J

Win32.Mebroot.J

Posted: September 21, 2011

Threat Metric

Threat Level: 9/10
Infected PCs: 72
First Seen: September 21, 2011
OS(es) Affected: Windows

Win32.Mebroot.J is a damaging Trojan which is installed stealthily by exploiting security vulnerabilities. Win32.Mebroot.J can invade the affected PC user's privacy and steal personal and financial data. Win32.Mebroot.J can degrade PC performance and open up back doors and allow remote attackers to gain remote access to the affected PC system. It is strongly advised to remove Win32.Mebroot.J virus immediately upon detection.

Technical Details

File System Modifications

Tutorials: If you wish to learn how to remove malware components manually, you can read the tutorials on how to find malware, kill unwanted processes, remove malicious DLLs and delete other harmful files. Always be sure to back up your PC before making any changes.

The following files were created in the system:



53675699.exe File name: 53675699.exe
Size: 56.32 KB (56320 bytes)
MD5: 341c326ffd596e77f3b350940f52a8b6
Detection count: 27
File type: Executable File
Mime Type: unknown/exe
Group: Malware file
Last Updated: October 4, 2011
99675699.exe File name: 99675699.exe
Size: 56.32 KB (56320 bytes)
MD5: 9ea5bd082bb2c7a163ca87ebf276be42
Detection count: 26
File type: Executable File
Mime Type: unknown/exe
Group: Malware file
Last Updated: October 4, 2011
18475699.exe File name: 18475699.exe
Size: 417.79 KB (417792 bytes)
MD5: e7a9694e96465d878090c3f3c04c1db6
Detection count: 25
File type: Executable File
Mime Type: unknown/exe
Group: Malware file
Last Updated: October 4, 2011
84275699.exe File name: 84275699.exe
Size: 86.01 KB (86016 bytes)
MD5: e29df7f7101e4a4d68c556ed81b10975
Detection count: 24
File type: Executable File
Mime Type: unknown/exe
Group: Malware file
Last Updated: October 4, 2011
108275699.exe File name: 108275699.exe
Size: 37.37 KB (37376 bytes)
MD5: fc2aa89be20043d92f334f6b94726c6e
Detection count: 23
File type: Executable File
Mime Type: unknown/exe
Group: Malware file
Last Updated: October 4, 2011
setupapp7070010000.exe File name: setupapp7070010000.exe
File type: Executable File
Mime Type: unknown/exe
Group: Malware file
%PROGRAM_FILES%\Win32.Mebroot.J \Win32.Mebroot.J File name: %PROGRAM_FILES%\Win32.Mebroot.J \Win32.Mebroot.J
Mime Type: unknown/J
Group: Malware file
%UserProfile%\Application Data\antispy.exe File name: %UserProfile%\Application Data\antispy.exe
File type: Executable File
Mime Type: unknown/exe
Group: Malware file

Registry Modifications

The following newly produced Registry Values are:

HKEY..\..\{CLSID Path}HKEY_CLASSES_ROOT\CLSID\{2B96D5CC-C5B5-49A5-A69D-CC0A30F9028C}HKEY_CLASSES_ROOT\TypeLib\{3C2D2A1E-031F-4397-9614-87C932A848E0}HKEY..\..\..\..{Subkeys}HKEY_CLASSES_ROOT\Folder\shellex\ContextMenuHandlers\SimpleShlExtHKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run '[random string]'HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Attachments 'SaveZoneInformation' = '1'HKEY_CURRENT_USER\Software\Malware DefenseHKEY_LOCAL_MACHINE\Software\ Win32.Mebroot.JHKEY_CLASSES_ROOT\MiniBugTransporter.MiniBugTransporterX.1HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run 'tmp'HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunHKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run 'Protection Center'v
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