Worm:JS/Beutanni.A
Posted: June 19, 2013
Threat Metric
The following fields listed on the Threat Meter containing a specific value, are explained in detail below:
Threat Level: The threat level scale goes from 1 to 10 where 10 is the highest level of severity and 1 is the lowest level of severity. Each specific level is relative to the threat's consistent assessed behaviors collected from SpyHunter's risk assessment model.
Detection Count: The collective number of confirmed and suspected cases of a particular malware threat. The detection count is calculated from infected PCs retrieved from diagnostic and scan log reports generated by SpyHunter.
Volume Count: Similar to the detection count, the Volume Count is specifically based on the number of confirmed and suspected threats infecting systems on a daily basis. High volume counts usually represent a popular threat but may or may not have infected a large number of systems. High detection count threats could lay dormant and have a low volume count. Criteria for Volume Count is relative to a daily detection count.
Trend Path: The Trend Path, utilizing an up arrow, down arrow or equal symbol, represents the level of recent movement of a particular threat. Up arrows represent an increase, down arrows represent a decline and the equal symbol represent no change to a threat's recent movement.
% Impact (Last 7 Days): This demonstrates a 7-day period change in the frequency of a malware threat infecting PCs. The percentage impact correlates directly to the current Trend Path to determine a rise or decline in the percentage.
Threat Level: | 2/10 |
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Infected PCs: | 79 |
First Seen: | June 19, 2013 |
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OS(es) Affected: | Windows |
Worm:JS/Beutanni.A is a worm that proliferates by imitating Word documents, affecting HTML documents, removable and network drives, and when a PC user burns CDs on a targeted computer. Worm:JS/Beutanni.A makes numerous modifications to the infected computer, lowers security settings and disables specific system programs. When installed on the compromised PC, Worm:JS/Beutanni.A makes certain system changes. Worm:JS/Beutanni.A changes the extensions .DOC, .DOCX, or .RTF of the Word documents to .JSE. Worm:JS/Beutanni.A drops the malicious file 'annie.ani' in the root folder of all drives on the victimized computer, involving removable drives (such as USB thumb drives), fixed drives (hard disks), and network drives. Worm:JS/Beutanni.A also drops other potentially malicious files. Worm:JS/Beutanni.A also makes registry modifications on the corrupted PC.
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:%LOCALAPPDATA%\Microsoft\CD Burning\autorun.inf
File name: %LOCALAPPDATA%\Microsoft\CD Burning\autorun.infMime Type: unknown/inf
Group: Malware file
%LOCALAPPDATA%\Microsoft\CD Burning\annie.ani
File name: %LOCALAPPDATA%\Microsoft\CD Burning\annie.aniMime Type: unknown/ani
Group: Malware file
%SystemDrive%\annie.ani
File name: %SystemDrive%\annie.aniMime Type: unknown/ani
Group: Malware file
%SystemDrive%\beautiful_girl_part_1.lnk
File name: %SystemDrive%\beautiful_girl_part_1.lnkFile type: Shortcut
Mime Type: unknown/lnk
Group: Malware file
%SystemDrive%\beautiful_girl_part_2.lnk
File name: %SystemDrive%\beautiful_girl_part_2.lnkFile type: Shortcut
Mime Type: unknown/lnk
Group: Malware file
%SystemDrive%\beautiful_girl_part_3.lnk
File name: %SystemDrive%\beautiful_girl_part_3.lnkFile type: Shortcut
Mime Type: unknown/lnk
Group: Malware file
%SystemDrive%\beautiful_girl_part_4.lnk
File name: %SystemDrive%\beautiful_girl_part_4.lnkFile type: Shortcut
Mime Type: unknown/lnk
Group: Malware file
%SystemDrive%\beautiful_girl_part_5.lnk
File name: %SystemDrive%\beautiful_girl_part_5.lnkFile type: Shortcut
Mime Type: unknown/lnk
Group: Malware file
Registry Modifications
HKEY..\..\{Value}HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System DisableTaskMgr = 0x00000001HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System DisableRegistryTools = 0x00000001HKEY_CURRENT_USER\Software\Policies\Microsoft\MMC RestrictToPermittedSnapins = 0x00000001HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\attrib.exe Debugger = "cmd.exe /c rem"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskkill.exe Debugger = "cmd.exe /c rem"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\procexp.exe Debugger = "cmd.exe /c del /q /f"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\autoruns.exe Debugger = "cmd.exe /c del /q /f"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RegAlyzer.exe Debugger = "cmd.exe /c del /q /f"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\reg.exe Debugger = "cmd.exe /c rem"HKEY..\..\..\..{Subkeys}HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer NoFileAssociate 0x00000001HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows NT\SystemRestore DisableSR = 0x00000001HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows NT\SystemRestore DisableConfig = 0x00000001HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\HideFileExt UncheckedValue = 0x00000001HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\SuperHidden UncheckedValue = 0x00000001
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