Remove DTR. Description and removal instructions

Title: DTR
Type: Backdoors	Severity scale: (78 / 100)

DTR is a dangerous backdoor that gives the remote attacker full unauthorized access to a compromised computer. DTR allows the intruder to manipulate files, modify essential system settings, control certain hardware devices, restart or turn off a computer. The backdoor can also log all user keystrokes, collect important information about the system and transfer gathered data to the attacker. DTR secretly runs on every Windows startup.

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DTR properties:
• Allows remote user connection
• Sends out logs by FTP or email
• Logs keystrokes
• Connects itself to the internet
• Hides from the user
• Stays resident in background

Automatic DTR removal:

remover for DTR

DTR manual removal:

Kill processes:
nbsystem.exe

HELP:
how to kill malicious processes

Delete registry values:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nbsession=nbsystem.exe

HELP:
how to remove registry entries

Delete files:
nbsystem.exe, dtrlvk.dll

HELP:
how to remove harmful files

Misc:
Exact file location:
dtrlvk.dll - C:\Windows or C:\Winnt
nbsystem.exe - C:\Windows\System, C:\Windows\System32 or C:\Winnt\System32

Other programs to remove DTR:

• SUPERAntiSpyware - Review - Download
• CounterSpy - Review - Download
• Windows Defender - Review - Download

Information added: 19/03/05
Information updated: 22/09/05

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