Summary

Summary
Action
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| Affected operating systems | Windows |
|---|---|
| Characteristics |
|
| Included in our products from | December 2004 (3.88) |
| Protection available since | 11 October 2004 13:09:12 (GMT) |
| Detected by | All Sophos products |
Action

Summary
Action
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Please follow the instructions for removing Trojans.
More Information
Troj/Ranck-AJ is a backdoor Trojan that allows a remote intruder to route HTTP traffic through the infected computer.
Troj/Ranck-AJ creates the following registry entry so as to run itself on computer restart:
HKLM\Software\Microsoft\Windows\CurrentVersion\Run
bcnswSX = <path to file>
Troj/Ranck-AJ when run listens on a randomly chosen TCP port in the range 10000-50000. The Trojan notifies a remote web server of the listening port via a web request.
