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A Weekend Of RootKits: Figaro.sys Rootkit

by malwarekilla on August 23, 2008

I took a few appointments this weekend and witnessed the same infection over and over again…Figaro.sys. The Figaro.sys rootkit is dropped in c:\windows\system32\drivers (on vista) and on XP i’ve seen it in the DLLCACHE folder.

I don’t know exactly what it does but I can give you the symptoms:

  1. Random reboots
  2. Virtumonde drops
  3. Very slow logins

I removed Figaro.sys with Killbox (quick and dirty removal utility).  Combofix was run, however it DID NOT detect this rootkit.  I should mention that detection was made possible via KAV 7.

{ 4 comments… read them below or add one }

Bar August 24, 2008 at 6:20 pm

WOW
last day i had a rotkit but not like yours
but my pc olso robot every 5-10 mints
i kill hem with AVIRA antiVir AVIRA have a manual scan for rotkits ..
he find hem and kild hem ^^

malwarekilla August 26, 2008 at 1:25 am

Yup, Avira does a great job at killing rootkits.

onur August 10, 2009 at 6:30 am

knowledge is not useless, Aviram friends!!!!

Beren August 16, 2009 at 6:23 pm

I got this rootkit too, and Avira removes it… But every time I restart the computer it comes out again. I think it’s working together with other malawares: braviax.exe and msword98. These last two days were a real hell and the problem is still not over = =

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