Backdoor.Fosor Description

Type: Backdoors

Backdoor.Fosor is a damaging backdoor Trojan that opens back door on the corrupted PC system and makes it vulnerable to further malware attacks. Backdoor.Fosor can download and install additional infections. Backdoor.Fosor also drops malicious files and modifies the registry. Backdoor.Fosor can steal personal information and forward it to remote attackers. Backdoor.Fosor is difficult to detect and eliminate by some anti-malware software. Get rid of Backdoor.Fosor as soon as possible.

Technical Information

File System Details

Backdoor.Fosor creates the following file(s):
# File Name MD5 Detection Count
1 %Windir%\Ball.exe N/A
2 %Windir%\Temp\svchost.exe N/A
3 %Windir%\Temp\zk.exe N/A
4 %UserProfile%\Start Menu\Programs\Startup\Ball.exe N/A
5 bdesfvc.dll f81c44f3ddf9da85e86e5024e98a686f 0

Registry Details

Backdoor.Fosor creates the following registry entry or registry entries:
Registry key
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\"ShutdownWithoutLogon" = "0"
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Terminal Server\WinStations\RDP-Tcp\PortNumber
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\NetCache\"Enabled" = "0"
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Terminal Server\Wds\rdpwd\Tds\tcp\PortNumber
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Terminal Server\fDenyTSConnections
HKEY_USERS\.DEFAULT\Keyboard Layout\Toggle\"Hotkey" = "1"

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