UrlSpoof.E
Threat description
Summary
On January 24th and 25th, 2004, a number of emails with a fake virus warning from Microsoft were spammed. When users view the email it attempts to download and execute a variant of VBS/Inor trojan dropper from a web site. The real address has been spoofed using a security vulnerability in Internet Explorer.
Removal
Automatic action
Depending on the settings of your F-Secure security product, it will either automatically delete, quarantine or rename the suspect file, or ask you for a desired action.
More scanning & removal options
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You may also refer to the Knowledge Base on the F-Secure Community site for more information.
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Technical Details
When an user opens the spammed email, an attept to download and execute a VBS/Inor dropper is made. If the dropper is able to execute, then a variant of W32/Dumaru worm is installed into system. Inor drops the worm to "C:\2.exe".
We have received reports that different variants of W32/Dumaru have been dropped from the web site. Further information about W32/Dumaru is available within the following descriptions:
At the time of writing this description, the trojan downloader is removed from the web site.
Below is a screenshot of the message:
Detection
Detection in F-Secure Anti-Virus was published on January 26th, 2004 at early morning in update:
Detection Type: PC
Database: 2004-01-26_01
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