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CoolWebSearch.f0r0r Trojan Information
| Name: |
CoolWebSearch.f0r0r |
| Category: |
Trojan |
| Advice: |
Remove |
| Risk: |
Severe Risk
Severe threats typically are remotely exploitable vulnerabilities, which can lead to system compromise. Successful exploitation does not normally require any interaction and exploits are in the wild. There exists a high possibility of potential system damage or security flaw. Attacker has complete control over your computer or install new software on your machine. |
| Description:
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f0r0r is a trojan horse that is usually hard to remove manually.
Infected computers tend to have their browser hijacked - usually to a site like: http://ssearch.biz/?wmid=1010
Also slow internet connections can be expected, interuppted browsing, and the loss of use of the back button in internet explorer.
A sign of infection is ppi.exe and dirote.exe running in the Task Manager's process list. The "%System%f0r0r" is an invisible folder that stayed invisible even when configuring the system to show hidden and system files. The directory could be viewed when booting the computer with a Linux start-up CD.
f0r0r is protected by an open source NT rootkit called Hacker Defender. Hacker Defender installs a device driver which hooks the Windows API. It allows it to hide a directory with a particular name while allowing files to exist there, hide open ports from a port scanner while allowing connections to and from that port, hide processes in memory from process managers along with other cute tricks.
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| Signatures:
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process: repcale.exe: MD5 Hash: c1612c37e650458837f...
process: redroses.exe: MD5 Hash: 4f9957064ab54ac897a.. |
| Type: |
Trojan - A Trojan software is any software on a user's computer that the user is not aware or intentionally installed. Most Trojan software is designed to perform some sort of actions that could jeopardize the user's security or privacy. |
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