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Trojan:DOS/Alureon.J


Microsoft security software detects and removes this threat.

The threat is a member of the Alureon family of data-stealing trojans. These trojans allow a malicious hacker to get confidential information such as your user names, passwords, and credit card data.

For more information on the Alureon family, see the Alureon family description and the DOS/Alureon description.

Find out ways that malware can get on your PC.



What to do now

Use the following free Microsoft software to detect and remove this threat:

You should also run a full scan. A full scan might find other, hidden malware.

Advanced troubleshooting

To restore your PC, you might need to download and run Windows Defender Offline. See our advanced troubleshooting page for more help.

Get more help

You can also visit our advanced troubleshooting page or search the Microsoft virus and malware community for more help.

If you’re using Windows XP, see our Windows XP end of support page.

Threat behavior

The trojan might modify DNS settings on your PC to allow a malicious hacker to transmit data to your computer. Therefore, you might need to reconfigure DNS settings after the trojan is removed from your PC.

Alureon can also infect and corrupt certain driver files, causing them to become unusable. You may need to restore these from backup, which you can read about at our advanced troubleshooting page.

For more information on the Alureon family, see the Alureon family description and the DOS/Alureon description.


Symptoms

In Windows 8.1, Trojan:DOS/Alureon.J may cause your computer to display the following message:

Windows 8.1 might not completely repair your PC. See the What to do now section for more help.

There are no common symptoms associated with this threat. Alert notifications from installed antivirus software may be the only symptoms.


Prevention


Alert level: Severe
First detected by definition: 1.129.1016.0
Latest detected by definition: 1.185.3194.0 and higher
First detected on: Jul 04, 2012
This entry was first published on: Jul 04, 2012
This entry was updated on: Sep 15, 2014

This threat is also detected as:
No known aliases