Reply
SendOfJive
Posts: 9,887
Kudos: 4,188
Solutions: 706
Registered: ‎02-07-2009

Re: TDL evolving

 


Quads wrote:

One sample though places a randomly named file with registry key so that when the MBR gets cured on the restart (or after using a CD/DVD to fix) on the startup the MBR gets reinfected again, and again and again. The registry key and /or random file has to be dealt with first, before dealing with the MBR, otherwise you would be going around in circles somewhat.


They never give up, do they.

 

Bot Obliterator
Quads
Posts: 13,245
Registered: ‎07-21-2008

Re: TDL evolving

Just like aftershocks :smileyvery-happy:

 

Quads

Bot Obliterator
Quads
Posts: 13,245
Registered: ‎07-21-2008

Re: TDL evolving

For Peter

 

FixTDSS did not find or detect the infected MBR (Boot.Tidserv), here is a screenshot and the 2 logs attached.  I downloaded FixTDSS from Symantec's download page again this morning incase it was updated during my night time.

 

FixTDSS2.1.2.jpg

 

 

Quads

Visitor
mdersch
Posts: 2
Registered: ‎05-08-2011

Re: TDL evolving

Okay, I'm new here... obviously since this is my first post.

NIS is telling me that I've got Boot.Tidserv on my computer (Windows 7 64)... cant' remove it...

Tried FixTDSS and NPE: both said there is "no infection", yet every time the computer boots Norton pops up stating it's still there.

There are NO other signs/symptoms that I'm aware of, but I'm scared to do anything with a password (like online financial work) in case someone somewhere is able to access this information.

What next?

Bot Obliterator
Quads
Posts: 13,245
Registered: ‎07-21-2008

Re: TDL evolving

Run TDSSkiller 2.5.0.0,  FixTDSS does not detect Tidserv (the newer variants) on my PC.

 

Quads

Visitor
mdersch
Posts: 2
Registered: ‎05-08-2011

Re: TDL evolving

THANKS! that worked.... did have to clear the history on Norton to stop it from warning.

Bot Obliterator
Quads
Posts: 13,245
Registered: ‎07-21-2008

Re: TDL evolving

Due to the fact you used another program to cure TDL4 (boot.Tidserv) Norton do the curing so still has the Unresolved Threat listing and so still has the listing.

The same listing would have still been there if it was FixTDSS that cured the Bookit instead.

 

The problems woth FixTDSS are being looked into over the last few days.

 

Quads

Bot Obliterator
Quads
Posts: 13,245
Registered: ‎07-21-2008

Re: TDL evolving

There are now other Rootkit groups that have found a way to infect x64 bit systems ( like maxx++, zeloacres)

 

Quads

delphinium
Posts: 9,680
Kudos: 2,855
Solutions: 282
Registered: ‎11-21-2008

Re: TDL evolving

Soemvery interesting, and highly technical information on maax++ here:

 

http://resources.infosecinstitute.com/step-by-step-tutorial-on-reverse-engineering-malware-the-zeroa...

 

http://resources.infosecinstitute.com/zeroaccess-malware-part-2-the-kernel-mode-device-driver-stealt...

 

Quads is probably the only one of us that actually understands it.  :smileytongue:

Under certain circumstances profanity provides relief denied even to prayer.
Mark Twain
Bot Obliterator
Quads
Posts: 13,245
Registered: ‎07-21-2008

Re: TDL evolving

We have had Maax++ infected users turn up on this forum in the past 

 

Quads