Showing posts with label virus. Show all posts
Showing posts with label virus. Show all posts

Wednesday, February 3, 2010

Hitman pro rubs out Google redirect



I was hit by a really really persistent piece of malware recently.

symptoms
1. When I try to sign in to a google service like this blog at blogger.com or gmail.com, i get redirected to a russian looking website (see pic below) after a "this certificate is expired something something" warning

2. jdownloader doesnt work. I just see the java program in task manager. If i run jdownloader again I see 2 java's.
3. does not affect my desktop, only my laptop
4. switching ISP's from smart bro share it to pldt dsl doesnt work
5. IE, firefox and ff private browsing are also affected

Obviously this is limited to my laptop, probably malware.I just learned that this is called the google redirect malware or TDL3 rootkit (see the words in the picture at the top of this page).

I tried scanning with my av, found viruses on my laptop and on my readyboost flash drive. Spybot search and destroy is clean. Usually scanning in safe mode gets everything but this time it did not work.Still getting the symptoms.

I cleaned the HOSTS file. I emptied windows, firefox and IE temp files. I deleted cookies. Nothing worked. Fortunately tipidpc.com suggested that I try this program.

Hitman pro is 30 day trial ware. Its cloudware so it works by scanning your pc and looking for suspicious files and uploading them to a central server or something where 8 anti-malware programs check it out. So this does not work without an internet connection and it has all the advantages and disadvantages of cloud computing. Found 3 malwares:

c:\windows\system32\activedsa.exe
c:\hqpteg.exe
c:\windows\linkinfo.dll

i dont know which of the 3 was the culprit but whatever, blogger and jdownloader are now working.

THANKS TO EVERYONE WHO TRIED TO HELP ON tipidpc, pc experts and pcforums!!

I dont know if changing my AV to another one would help.
in reference to: Home - SurfRight (view on Google Sidewiki)

Wednesday, January 27, 2010

For hard to remove viruses - safe mode

In general, for hard to remove viruses, scan in safe mode/first boot

I've seen only one AV that was intelligent enough to say "hey boss, I cant remove this virus, do you want to reboot and scan in first boot mode?"

IMHO this should be standard for all antivirus programs, even antispyware programs

I'm not sure if "first boot" is the correct term. It means the AV loads and runs its virus scanner to scan the entire drive as the first program that runs after the OS core loads, before any virus has a chance to load, even before the desktop loads. Anyway, AFAIK its very hard to go to first boot manually so safe mode is used.

If you boot in safe mode, only the OS core, desktop and little else is loaded. There is little chance of the virus loading when you boot in safe mode unless you manually run it.

In first boot mode and in safe mode, the virus is not in ram, only on disk. It is then vulnerable. If it was in ram, it could easily save another copy after the AV deletes the copy on disk.

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