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For remove DfDoor H removal instruction virus,please clean/delete all DfDoor H removal instruction infected files and Delete/Modify any values DfDoor H removal instruction added to the registry as following:
DfDoor H
Date Published:
Thursday, March 5, 2009
Threat Assessment
Overall Risk:
Critical
Privacy:
High
Productivity:
System Integrity:
Critical
Characteristics
Category
:
Backdoor
Also known as:
Win32/DfDoor.H [CA AV], Generic BackDoor [McAfee], Backdoor:Win32/Delf.B [MS Onecare], Troj/Bckdr-QSF [Sophos]
Immediate Protection Info
DAT Release
Product
DAT Version
OriginalCA Antispyware v9
03 05 2009
LatestCA Antispyware v9
03 05 2009
Tools
 Scan for Spyware
Submit a Sample
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Description
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Origins
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Operation
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Removal
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Research
Description
Category
Backdoor: A secret or undocumented means of getting into a computer system, or software that uses such a means to penetrate a system. Some software has a backdoor placed by the programmer to allow them to gain access to troubleshoot or change the program. Software that is classified as a "backdoor" is designed to exploit a vulnerability in a system, and open it to future access by an attacker.
Trojan: Any program with a hidden intent. Trojans are one of the leading causes of breaking into machines. If you pull down a program from a chat room, new group, or even from unsolicited e-mail, then the program is likely trojaned with some subversive purpose. The word Trojan can be used as a verb: To trojan a program is to add subversive functionality to an existing program. For example, a trojaned login program might be programmed to accept a certain password for any user's account that the hacker can use to log back into the system at any time. Rootkits often contain a suite of such trojaned programs.
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Origins
Date of Origin
date of origin: March, 2009
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Operation
DfDoor H: at least DfDoor HKB
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Removal
Detections:
true
Executable Files:
true
Files:
For successful remove DfDoor H removal instruction virus,you may also need do as following:
1. Temporarily Disable System Restore .
2. Update the virus definitions. Reboot computer in SafeMode;
3. Delete the IE temp files,some DfDoor H removal instruction temp file exisit there.
4.If you failed to remove DfDoor H removal instruction,please go to our remove help forum:http://help.antiviruses123.com
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