GuitarBob
Joined: 09 Jul 2006 |
Posts: 9 |
Location: USA |
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Posted: Wed Jan 04, 2012 3:47 pm |
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You should never update something except from the original developer--Adobe in this case. Malware writers often try to spread their viruses by getting you to update Flash, PDF, audio/video codecs, and other software.
It sounds like you got a virus, maybe one that is corrupted or that will not work very well on your system. I suggest you do the following:
Please download the files (tools) mentioned below from a clean computer and put them on a USB and then install the program on your computer or just run it from USB, as required. If you don't have access to a clean computer, get into Windows Safe Mode on your computer (Keep hitting F-8 when you boot up). When you see some menu choices, choose Safe Mode With Networking, which should let you access the internet. The tools do not have to be installed--just download them to USB or desktop in Safe Mode and run them in regular mode.
First run a quick scan with the Microsoft Safety Scanner (named msert.exe) which can be downloaded from https://www.microsoft.com/security/scanner/en-us/default.aspx on the web. This tool does not have to be installed on your computer--just download it to USB or a folder and run it. If the tool finds nothing, then run a full scan with it, which may take some time. When you run the program, it will tell you if you need to download a new version with new signatures. This tool can find current prevalent malware.
Next, download the free Kaspersky TDSSKiller from https://support.kaspersky.com/faq/?qid=208283363 on the web. Read the information on the web site to learn how to use the program. You do not have to install this tool--just unzip it (with an unzip program like 7-zip, pkzip, or g-zip), to a USB and run it. Update the program if an update is offered, unzip the update and run the tdsskiller.exe file. You can delete the zip file and the EULA file from the USB. This tool can find many current hidden viruses (rootkits).
Run TDSSKiller one more time in normal mode in case it missed something.
Next, get into Safe Mode (see first paragraph above), which keeps some viruses from hiding, and run a quick scan with Microsoft Safety Scanner and then TDSSKiller.
The tools mentioned above will work on Windows XP through Windows 7 computers. If your computer is older than XP, get Norman's Malware Cleaner at https://www.norman.com/downloads/malware_cleaner/ or Dr. Web's Cureit at https://www.freedrweb.com/cureit/?lng=en on the web. Both programs are free. Download one of them to your computer. I have had trouble downloading Cureit, but Norman is just as good at finding all kinds of malware, despite the long download time. Do two scans with one of these programs in regular mode, and then do a scan in Safe Mode. Be sure to update before you scan if an update is available. Once or twice a week, you will have to download the new version to get updated signatures. Cureit will tell you when you need to update.
Your computer may be clean after performing these steps. Once it is clean, get rid of any real-time antivirus you were using that allowed the infection, and download Microsoft Security Essentials (for XP through Windows 7 computers) from https://windows.microsoft.com/en-US/windows/products/security-essentials on the web. Install it and configure it to scan in real-time, to do a daily scheduled scan, and to update before scanning. Security Essentials is a good, easy-to-use AV scanner, and you don't really need any other scanner. For older computers, ClamWin with the Clam Sentinel real-time front end is about the best you can do for a supported AV program.
If your computer is still not clean, download and learn to use a free rescue CD from one of the commercial antivirus companies. I recommend F-Secure, Kaspersky, or Dr. Web. These rescue CD's contain an AV that boots up with a built-in Linux operating system. Windows viruses can't hide from a Linux AV, provided the AV has up-to-date virus signatures. You will need a wired (not wireless) DSL connection to update the AV signatures before you scan.
A Linux rescue CD is about the best you can do for an AV scan, but it may not be able to clean some viruse (MBR and BIOS-infecting viruses). In that event, I suggest you contact your commercial AV company if you have been using a commercial AV. You can manually clean MBR viruses--Google for advice. You can also do some research on the web to find out more about the virus if you know the name. If nothing helps, you will have to reformat your computer and re-install your programs.
Regards,
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