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Removed: MSBYRBL32.dll

December 17, 2009 by NightWatcher
Filed under: Malware 
Install UnHackMe Install RegRun

Malware: ScaricaMP3.exe
Removed: C:\WINDOWS\system32\MSBYRBL32.dll
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Classification:

Antivirus Version Last Update Result
F-Secure 9.0.15370.0 2009.12.15 Trojan:W32/Agent.MRD
Kaspersky 7.0.0.125 2009.12.15 Trojan-Dropper.Win32.Agent.bjpm
McAfee 5833 2009.12.15 -
Microsoft 1.5302 2009.12.15 -
NOD32 4691 2009.12.15 Win32/BHO.NVR
Symantec 1.4.4.12 2009.12.15 Trojan.Adclicker

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Additional information
File size: 172544 bytes
MD5   : a385ab8a243bca4d0d0465549a2ae06e
SHA1  : 02654cb2666b980dad2adb4b6ef67c70a39f4e88
SHA256: 88685941fe57545d256039ba8ed84bbd2aac5cb280039b08f816183e792dbc61
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Installation
When the program is executed, it creates the following registry subkeys and values:

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Keys added:27
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HKLM\SOFTWARE\Classes\AppID\mssarph.DLL
HKLM\SOFTWARE\Classes\AppID\{433AE4C6-62FF-4488-88F4-CB7ABE1E3AED}
HKLM\SOFTWARE\Classes\CLSID\{2F77CDB7-D730-4B5C-A64F-1515DF0BFB12}
HKLM\SOFTWARE\Classes\CLSID\{2F77CDB7-D730-4B5C-A64F-1515DF0BFB12}\Implemented Categories
HKLM\SOFTWARE\Classes\CLSID\{2F77CDB7-D730-4B5C-A64F-1515DF0BFB12}\Implemented Categories\{7DD95801-9882-11CF-9FA9-00AA006C42C4}
HKLM\SOFTWARE\Classes\CLSID\{2F77CDB7-D730-4B5C-A64F-1515DF0BFB12}\Implemented Categories\{7DD95802-9882-11CF-9FA9-00AA006C42C4}
HKLM\SOFTWARE\Classes\CLSID\{2F77CDB7-D730-4B5C-A64F-1515DF0BFB12}\InprocServer32
HKLM\SOFTWARE\Classes\CLSID\{2F77CDB7-D730-4B5C-A64F-1515DF0BFB12}\ProgID
HKLM\SOFTWARE\Classes\CLSID\{2F77CDB7-D730-4B5C-A64F-1515DF0BFB12}\Programmable
HKLM\SOFTWARE\Classes\CLSID\{2F77CDB7-D730-4B5C-A64F-1515DF0BFB12}\TypeLib
HKLM\SOFTWARE\Classes\CLSID\{2F77CDB7-D730-4B5C-A64F-1515DF0BFB12}\VersionIndependentProgID
HKLM\SOFTWARE\Classes\Interface\{D3DC9DCF-B776-4EAD-AB2F-F0C9C82AFC91}
HKLM\SOFTWARE\Classes\Interface\{D3DC9DCF-B776-4EAD-AB2F-F0C9C82AFC91}\ProxyStubClsid
HKLM\SOFTWARE\Classes\Interface\{D3DC9DCF-B776-4EAD-AB2F-F0C9C82AFC91}\ProxyStubClsid32
HKLM\SOFTWARE\Classes\Interface\{D3DC9DCF-B776-4EAD-AB2F-F0C9C82AFC91}\TypeLib
HKLM\SOFTWARE\Classes\TypeLib\{76799619-CFF6-44B2-8607-593D9324268F}
HKLM\SOFTWARE\Classes\TypeLib\{76799619-CFF6-44B2-8607-593D9324268F}\1.0
HKLM\SOFTWARE\Classes\TypeLib\{76799619-CFF6-44B2-8607-593D9324268F}\1.0\0
HKLM\SOFTWARE\Classes\TypeLib\{76799619-CFF6-44B2-8607-593D9324268F}\1.0\0\win32
HKLM\SOFTWARE\Classes\TypeLib\{76799619-CFF6-44B2-8607-593D9324268F}\1.0\FLAGS
HKLM\SOFTWARE\Classes\TypeLib\{76799619-CFF6-44B2-8607-593D9324268F}\1.0\HELPDIR
HKLM\SOFTWARE\Classes\mssarph.mssarpbho
HKLM\SOFTWARE\Classes\mssarph.mssarpbho\CLSID
HKLM\SOFTWARE\Classes\mssarph.mssarpbho\CurVer
HKLM\SOFTWARE\Classes\mssarph.mssarpbho.1
HKLM\SOFTWARE\Classes\mssarph.mssarpbho.1\CLSID
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{2F77CDB7-D730-4B5C-A64F-1515DF0BFB12}

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Values added:22
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HKLM\SOFTWARE\Classes\AppID\mssarph.DLL\AppID: “{433AE4C6-62FF-4488-88F4-CB7ABE1E3AED}”
HKLM\SOFTWARE\Classes\AppID\{433AE4C6-62FF-4488-88F4-CB7ABE1E3AED}\: “mssarph”
HKLM\SOFTWARE\Classes\CLSID\{2F77CDB7-D730-4B5C-A64F-1515DF0BFB12}\VersionIndependentProgID\: “mssarph.mssarpbho”
HKLM\SOFTWARE\Classes\CLSID\{2F77CDB7-D730-4B5C-A64F-1515DF0BFB12}\TypeLib\: “{76799619-CFF6-44B2-8607-593D9324268F}”
HKLM\SOFTWARE\Classes\CLSID\{2F77CDB7-D730-4B5C-A64F-1515DF0BFB12}\ProgID\: “mssarph.mssarpbho.1″
HKLM\SOFTWARE\Classes\CLSID\{2F77CDB7-D730-4B5C-A64F-1515DF0BFB12}\InprocServer32\: “C:\WINDOWS\system32\MSBYRBL32.dll”
HKLM\SOFTWARE\Classes\CLSID\{2F77CDB7-D730-4B5C-A64F-1515DF0BFB12}\InprocServer32\ThreadingModel: “Apartment”
HKLM\SOFTWARE\Classes\CLSID\{2F77CDB7-D730-4B5C-A64F-1515DF0BFB12}\: “Windows Assistant Helper”
HKLM\SOFTWARE\Classes\Interface\{D3DC9DCF-B776-4EAD-AB2F-F0C9C82AFC91}\TypeLib\: “{76799619-CFF6-44B2-8607-593D9324268F}”
HKLM\SOFTWARE\Classes\Interface\{D3DC9DCF-B776-4EAD-AB2F-F0C9C82AFC91}\TypeLib\Version: “1.0″
HKLM\SOFTWARE\Classes\Interface\{D3DC9DCF-B776-4EAD-AB2F-F0C9C82AFC91}\ProxyStubClsid32\: “{00020424-0000-0000-C000-000000000046}”
HKLM\SOFTWARE\Classes\Interface\{D3DC9DCF-B776-4EAD-AB2F-F0C9C82AFC91}\ProxyStubClsid\: “{00020424-0000-0000-C000-000000000046}”
HKLM\SOFTWARE\Classes\Interface\{D3DC9DCF-B776-4EAD-AB2F-F0C9C82AFC91}\: “Imssarphbho”
HKLM\SOFTWARE\Classes\TypeLib\{76799619-CFF6-44B2-8607-593D9324268F}\1.0\0\win32\: “C:\WINDOWS\system32\MSBYRBL32.dll”
HKLM\SOFTWARE\Classes\TypeLib\{76799619-CFF6-44B2-8607-593D9324268F}\1.0\HELPDIR\: “C:\WINDOWS\system32″
HKLM\SOFTWARE\Classes\TypeLib\{76799619-CFF6-44B2-8607-593D9324268F}\1.0\FLAGS\: “0″
HKLM\SOFTWARE\Classes\TypeLib\{76799619-CFF6-44B2-8607-593D9324268F}\1.0\: “Biblioteca de tipos mssarph 1.0″
HKLM\SOFTWARE\Classes\mssarph.mssarpbho\CurVer\: “mssarph.mssarpbho.1″
HKLM\SOFTWARE\Classes\mssarph.mssarpbho\CLSID\: “{2F77CDB7-D730-4B5C-A64F-1515DF0BFB12}”
HKLM\SOFTWARE\Classes\mssarph.mssarpbho\: “Windows Assistant Helper”
HKLM\SOFTWARE\Classes\mssarph.mssarpbho.1\CLSID\: “{2F77CDB7-D730-4B5C-A64F-1515DF0BFB12}”
HKLM\SOFTWARE\Classes\mssarph.mssarpbho.1\: “Windows Assistant Helper”

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Files added:2
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C:\WINDOWS\system32\MSBYRBL32.dll
C:\WINDOWS\system32\MSBYRBL64.dll

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Total changes:51
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Detected by UnHackMe:

Item Name: {2F77CDB7-D730-4B5C-A64F-1515DF0BFB12}
Author:
Related File: C:\WINDOWS\system32\MSBYRBL32.dll
Type: Browser Helper Objects

Removal Results: Success
Number of reboot: 1
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Recommended software:
UnHackMe anti-rootkit and anti-malware
http://www.unhackme.com
RegRun Security Suite (Good choice for removal and protection)
http://www.regrun.com

Remove it now!

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