Summary

Summary
Action
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| Affected operating systems | Windows |
|---|---|
| Characteristics |
|
| Protection available since | 5 January 2006 12:10:19 (GMT) |
| Detected by | All Sophos products |
- Free virus, spyware, and adware scan
- Test your existing anti-virus protection
- Find threats your anti-virus missed
Action

Summary
Action
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Please follow the instructions for removing Trojans.
More Information
Troj/DownLdr-QR is a Trojan for the Windows platform.
Troj/DownLdr-QR includes functionality to download, install and run new software.
When first run Troj/DownLdr-QR copies itself to:
<System>\qqmall.exe
<System>\~~.exe
\autoexec.bat
The following registry entry is created to run qqmall.exe on startup:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
qqmall
<System>\qqmall.exe
The following registry entry is set or modified, so that ~~.exe is run when files with extensions of TXT are opened/launched:
HKCR\txtfile\shell\open\command
(default)
<System>\~~.exe %1
