Summary
Backdoor:W32/SdBot.CNJ is a piece of malicious software that tries to disable various firewalls and antivirus programs, steal passwords from the infected machine and spread through removable media devices.
Removal
Based on the settings of your F-Secure security product, it will either move the file to the quarantine where it cannot spread or cause harm, or remove it.
A False Positive is when a file is incorrectly detected as harmful, usually because its code or behavior resembles known harmful programs. A False Positive will usually be fixed in a subsequent database update without any action needed on your part. If you wish, you may also:
Check for the latest database updates
First, check if your F-Secure security program is using the latest updates, then try scanning the file again.
Submit a sample
After checking, if you still believe the file is incorrectly detected, you can submit a sample of it for re-analysis.
Note: If the file was moved to quarantine, you need to collect the file from quarantine before you can submit it.
Exclude a file from further scanning
If you are certain that the file is safe and want to continue using it, you can exclude it from further scanning by the F-Secure security product.
Note: You need administrative rights to change the settings.
Technical Details
Process Changes
Creates these processes:
- %cwd%\[filename].exe
- %programfiles%\Internet
- Explorer\IEXPLORE.EXE/[filename]
Creates these mutexes:
- Y_aKS~pXq1MKTN4PE
Network Connections
Attempts to connect with HTTP to:
- Web1.(censored)[removed].org:443/TCP
Registry Modifications
Sets these values:
- HKCU\Software\Microsoft\Windows NT\CurrentVersion (default) = h1Ucm{yQvor}^imlol|Pxhc|en isl
- HKCU\Software\Microsoft\Windows\CurrentVersion\Run QnX = c:\(path)\[filename].(filename)exe
- HKLM\SOFTWARE\Microsoft\Active Setup\Installed Components\{77520Q86-864L-N81R-0R2W-7U2G0P22436U} StubPath = "c:\(path)\.(filename)exe"
- HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run QnX =c:\(path)\.(filename)exe
Creates these keys:
- HKLM\SOFTWARE\Microsoft\Active Setup\Installed Components\{77520Q86-864L-N81R-0R2W-7U2G0P22436U}
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