Exploit JavaScript obfuscation type 1494
In our previous report, we mentioned the JavaScript obfuscation exploit, type 1494, which was considered to be a mere false detection by several website administrators. As a few website administrators still struggle with the infection, we have released a comprehensive blog post describing the situation in details. Here you can find the mentioned blog post.
Somebody hacked my mailbox!
You could be surprised by some of your friends claiming that someone sends them spam messages using your e-mail address. You may even receive spam e-mails from “you” sometimes. This does not necessarily mean that your e-mail account has been compromised or that your system is infected. The issue is explained for example in this Gmail help article.
If your Internet service provider (ISP) tells you that spam messages are being sent from your computer and asks you to disinfect your system, but the virus cannot be easily found, you are welcome to discuss this situation in AVG Forums. Alternatively, you could contact our customer care experts for infection removal assistance.
AVG Do Not Track
One of the recently introduced brand new AVG features is the Do-Not-Track. Users often search the web for more information about this feature. On this dedicated web page, you can find a detailed description of the feature. More information about the Do-Not-Track could be found also in the articles describing the AVG Summer Update or the AVG 2012 Service Pack 1 mentioned in first paragraph of this weekly overview.
If the AVG Do-Not-Track feature is missing even though AVG is fully updated, we recommend checking whether the Do-Not-Track button is not merely hidden in your browser as described in this FAQ article. Should the feature still appear to be missing, we recommend reinstalling AVG completely to rectify the situation as described in these forum posts:
If you wish to deactivate this feature for some reason, please simply disable the AVG Do Not Track add-on (extension) in your browser.
Disabling AVG Secure Search after removing the AVG Security Toolbar
A few AVG users mentioned that the AVG Secure Search configuration remains present after removing the AVG Security Toolbar (more information on removing the AVG Security Toolbar can be found in this FAQ article). Please refer to this AVG Forums thread, if you wish to change the default search provider in your browser(s).
Alternatively, you could find detailed instructions in one of the following FAQ articles:
Trojan horse infection
AVG Forums visitors reported a couple of Trojan horse infections which appeared to be difficult to remove. Should you face any trouble removing an infection detected by AVG, please check this AVG Forums thread for a few tips on how to remove infections. An infection is sometimes coming back when stored in the System Volume Information folder. You can disable the operating system’s restore functionality temporarily in order to remove the malware from this location as described here.
If the infection is still coming back, it could be accompanied by an undetected rootkit. We recommend scanning your computer using updated AVG Rescue CD in such case. AVG Rescue CD is able to remove known rootkits easily.
Please do not hesitate contacting AVG customer care experts should you require assistance with infection removal.
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