ServU Trojan

Overview

Vendor Description

kills Serv-U ftp on win95 boxes. This program makes SERV-U32 cause a stack fault in module KERNEL32.DLL. Sometimes after Serv-U crashes, windows becomes slow and non responsive

Alias

Backdoor Program [Panda], Backdoor.SubSeven.pac [Kaspersky],

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.

DoS: An exploit whose purpose is to deny somebody the use of the service: namely to crash or hang a program or the entire system. Examples of DoS attacks include flooding the victim with more traffic than can be handled; flooding a service (like IRC) with more events than it can handle bomb; crashing a TCP/IP stack by sending corrupt packets; crashing a service by interacting with it in an unexpected way; or hanging a system by causing it to go into an infinite loop. For example, the Ping of Death exploit crashed machines by sending illegally fragmented packets at a victim. A common word for DoS is ""nuke"", which was first popularized by the WinNuke program.

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.

Origins

Date of Origin

June, 2001

Detection and Removal

Manual Removal

Follow these steps to remove ServU Trojan from your machine. Begin by backing up your registry and your system, and/or setting a Restore Point, to prevent trouble if you make a mistake.

Stop Running Processes:

Kill these running processes with Task Manager:

Unregister DLLs:

Unregister these DLLs with Regsvr32, then reboot:

Remove Files:

Remove these files (if present) with Windows Explorer:

SerialPasswordKiller Serv-UFTPServer Serv-UFTPServer2.5a Serv-UFTPServer3.0 Serv-UWebAdministratorProfessional1.0 ServUTrojan ServerSockets Sesame Sesame1.02 SetPass