Symantec Security Response - Trojan.Qforager Trojan.Qforager is a Trojan horse that attempts to steal the password for the QQ instant messenger program and email it to the hacker. Type: Trojan Horse Infection Length: 214,016 bytes Systems Affected: Windows 95, Windows 98, Windows NT, Windows 2000, Windows XP, Windows Me Systems Not Affected: Windows 3.x, Macintosh, OS/2, UNIX, Linux technical details When Trojan.Qforager is executed, it does the following: 1. Adds the value: AudioHQ <path to the trojan> to the registry key: HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run so that the Trojan runs each time you start Windows. 2. Attempts to steals the password for the QQ instant messenger program and email it to the hacker. removal instructions These instructions pertain to all current and recent Symantec antivirus products, including the Symantec AntiVirus and Norton AntiVirus product lines. 1. Update the virus definitions. 2. Run a full system scan and delete all the files detected as Trojan.Qforager. 3. Delete the value AudioHQ from the registry key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run 2. Scanning for and deleting the infected files a. Start your Symantec antivirus program and make sure that it is configured to scan all the files. For Norton AntiVirus consumer products: Read the document, "How to configure Norton AntiVirus to scan all files." For Symantec AntiVirus Enterprise products: Read the document, "How to verify that a Symantec Corporate antivirus product is set to scan All Files." b. Run a full system scan. c. If any files are detected as infected with Trojan.Qforager, click Delete. 3. Deleting the value from the registry CAUTION: Symantec strongly recommends that you back up the registry before you make any changes to it. Incorrect changes to the registry can result in permanent data loss or corrupted files. Modify the specified keys only. Read the document, "How to make a backup of the Windows registry," for instructions. 1. Click Start, and then click Run. (The Run dialog box appears.) 2. Type regedit, and then click OK. (The Registry Editor opens.) 3. Navigate to the key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run 4. In the right pane, delete the value AudioHQ. 5. Exit the Registry Editor.