Overrun with trojan horses

By Tired
Sep 29, 2008
Topic Status:
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  1. Hello, I went away for the weekend and when I came back my husband tells me he's been getting pop ups. He was web browsing and got an initial pop up which he didn't read just clicked okay then got another one which he also clicked okay then another and another. Then it clicked in that there might be something going on so he started reading what these pop ups said. So I came home to find the computer full of trojan horses. AVG removed some, I then ran a program called combo fix. Which seems to have gotten rid of most of the rest. I do however get an alert from AVG every once in a while that I still have one called Back door.generic10.let. I've told it to fix the problem, which it does. Then the next time I restart it is there again. So I really need help finding these things and getting rid of them. I've never really had any viruses before and don't know what to do here. Thanks for any help.
  2. momok

    momok Newcomer, in training Posts: 2,272

    Please follow the steps as listed HERE
  3. shadowfox

    shadowfox Newcomer, in training Posts: 60

    well
    TIRED,
    u see most rojan horses cannot be removed by an antivirus when the os is functioning, they just keep reappearing,
    i suggest u do a boot scan or safe scan as in most antivirus these day s have it
    it will scan ur p.c on a reboot before u get to acces ur desktop
    this is so that the virus does not get a chance to b active and can b removed in a inactive state

    this usually works
    if not i suggest try restoring ur system or reinstall the os
  4. Tired

    Tired Newcomer, in training Topic Starter Posts: 23

    Hey so I've run ccleaner and now am running Malwarebytes but I do seem to have an interesting side effect. I don't seem to be able to open AVG any more, and my computer has slown right down. Plus Malware is taking a very long time not sure if that is normal it's been almost an hour.

    I was also curious wether a restore would fix the problem I don't mind using windows restore as nothing new was done to the computer while I was gone, but I kind of thought that wouldn't work. Not all that familiar with windows restore.
  5. SpiritWind

    SpiritWind Newcomer, in training Posts: 164

    Hi :

    It is recommended that "ComboFix" be used under the guidance of a "Malware
    Removal Specialist" . And IF your poor AVG Antivirus is detecting something with
    "Backdoor" in the Title, you potentially have a very serious problem on your
    hands ; would encourage you to read the highly credible Info at
    www.geekstogo.com/2007/10/03/what-is-a-backdoor-trojan . IF you do not
    reformat, then re-install your Operating System, you should seek assistance from
    a trained, experienced, certified, Volunteer, "Malware Removal Specialist" at
    Forums such as Geeks To Go, http://aumha.net and possibly on the Techspot
    forums ONLY IF "Blind Dragon" helps you .
  6. captaincranky

    captaincranky TechSpot Addict Posts: 9,999   +710

    Many malware programs are targeted to disable the resident AV agent, Norton used to get taken out in the first few seconds.
  7. shadowfox

    shadowfox Newcomer, in training Posts: 60

    Tired
    heres wat i do wen i get such shity prob

    hope u have another computer or laptop
    goto Avast.com
    dwld the latest antivirus

    y from the another comp
    ans: the virus never let u download an antivirus especially trojans

    then transfer it to the infected comp
    and install it
    it mit a lot of fusses to get installed since ur p.c is slowed down
    after installation it might ask u if u want to schedule a boot time scan
    select yes
    then reboot ur p.c
    if this does not solve ur prob

    bitdefender is good too
    but in order for it to work u need to update it
    and ur not in any position to update an antivirus from an infected p.c :(


    guys dont suggest Norton
    it sucks realtime
    it slows down the whole p.c
    use Avast 4.8 pro
  8. tw0rld

    tw0rld TechSpot Maniac Posts: 609   +6

    Suggestion

    Or you could post a HJT log and manually delete whatever is found.
  9. momok

    momok Newcomer, in training Posts: 2,272

    A restore would not guarantee your system to be clean. Often times, infections target restore points too.

    Post your logs (HJT, malwarebytes, superantispyware) so we can take a look and tell you what to do.
    I know how to use combofix; if need be, then I'll guide you through Combofix. But first, we'll need your logs.

    Also, please make sure you've read this > http://www.techspot.com/vb/topic65943.html and know the risks.
  10. Tired

    Tired Newcomer, in training Topic Starter Posts: 23

    Thanks everybody for your help. What I ended up doing was I started with momoks advice but the malware program was taking so over 5 hours and still going, then reading the further comments I gave up on fixing and reinstalled windows. I had most of my files on back up cds so I didn't really lose much just sleep. Oh and interestingly enough wether it was the viruses or what, windows restore wouldn't work. plus like momok said the infections could have been in there anyway so yeah.
  11. momok

    momok Newcomer, in training Posts: 2,272

    I see.
    Often times, an infection can occur again not due to the incompetence of programs, but because of user habits.
    May I recommend you to read this article.
    This can help to prevent future infections.

    Let us know if you have any future problems.
  12. shadowfox

    shadowfox Newcomer, in training Posts: 60

    Good 1 tired u saved ur self a lot of time
    hehe
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