I need your help, maybe somebody knows something to help me with this thing…
About a year ago I caught a virus on my computer, I didn’t clean it properly (as far as I undersatnd) and little by little it stopped working. When turning off the computer, it was written that there was an error in explorer.exe, it was written every time. Then, connecting to the internet, it was written “Attention! 55 critical system errors!”. Well, when I didn’t know what to do, I reinstalled Windows (Home Edition). I thought that I “killed” all viruses because there was a new Windows on my computer, but now the same thing is happening again! For the moment the computer works, but how long will it work? Again “critical errors”, “explorer.exe” etc! I have NOD 32 as an antivirus, but as far as I see, it doesn’t help me with this.
What can you advise me? Thanks to everybody in advance!
If a virus is replicant (coming and coming again), you could follow the general cleaning procedure:
Disable System Restore on Windows ME or Windows XP. System Restore cannot be disabled on Windows 9x and it’s not available in Windows 2k. After boot you can enable System Restore again after step 3.
If you were using avast, schedule a boot time scanning with avast. Start avast! > Right click the skin > Schedule a boot-time scanning. Select for scanning archives. Boot. Other option is scanning in SafeMode (repeatedly press F8 while booting).
It will be good if you download, install, update and run AVG Antispyware. Some users recommend SUPERantispyware, Spyware Terminator and/or a-squared (take care about false positives).
If any infection is detected, better and safer is send the file to Quarantine than to simple delete than.
If you still detecting any strange behavior or even you’re sure you’re not clean, maybe it will be good to test your machine with anti-rootkit applications. I suggest AVG or Trend Micro RootkitBuster (for XP/Vista). For XP: Panda (for XP).
Also, if you still detecting strange behaviors or you want to be sure you’re clean, maybe making a HijackThis log to post here and, specially, scan and submit to on-line analysis the RunScanner log would help to identify the problem and the solution.
After you’re clean, use the immunization of SpywareBlaster or, which is better, the Windows Advanced Care features of spyware/adware cleaning and removal.
Finally, when you’re clean, check for insecure applications with Secunia Software Inspector to update insecure applications and avoid reinfection.
If you reinstall Windows, you will have a version which is months if not years out of date and which will contain many security vulnerabilities.
You need to visit Microsoft Update to install all the available critical updates.
Also visit Secunia Software Inspector to check for vulnerabilities in other software, especially if you installed XP using a computer manufacturer’s restore CD or partition.
Thanks to everybody!
I just don’t understand, if I reinstalled the operating system, so all the components must be new and safe - why does it heappen then? when restoring the system for the first time, it was already written that explorer.exe worked incorrect or something like this!
The components are not new and safe: they are old and unsafe. How old is your XP disc? What version is it? SP1? SP2?
Even an XP installation disc a few months old may contain critical security vulnerabilities. A disc 6 months, a year, two years old will contain some well known and commonly exploited vulnerabilities.
You need to update XP as soon as you connect to the internet.
If you have an SP1 disc, or previous, make sure you enable Windows firewall before connecting.
If for some reason you are unable to update, at least use an alternative browser like Firefox or Opera, which will be more secure than an out of date version of IE6.
If an infection is active, it could survive the OS reinstall (overinstall). Maybe the only way to be sure the new OS is clean is to format and install.
Can’t you backup your data and start from the beginning?
There are a virus that called virut for in avast virus database…
this virus infected .exe type of application…
as long as I know if u are infected with this type of virus restore or repair the window will not settle the probs…
U need to installed a fresh copy of window with the hard disk fully format…
If u wan to know eiher u having this type of virus just installed Avast and make a boot scan…
Usually avast will detect and authorised modification after the boot scan or avast program will be deleted during the boot scan…
Note that to backup all ur important data before doing this as maybe ur window will not function as some of the .exe that are already infected deleted during the bots scan…
Gud luck…
*This problem just for user having problem with virut…always keep your virus database up to date… ;D