Malwarebytes let me down

Discussion in 'other anti-malware software' started by XenMan, May 24, 2019.

  1. XenMan

    XenMan Registered Member

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    Leaving out the long story, I installed PirateMatryoshka into a sandbox yesterday out of ignorance and curiosity, which WFC blocked irsetup.exe, but I let through.

    It asked for a Piratebay login which I didn't have and I closed it.

    I ran Malwarebytes through the sandbox and it missed zernvo.exe.

    https://www.virustotal.com/gui/file/95d45e83d2328d280dea2f9f56aac67579b4c150a4ad5a5226160d50cc0b5dad/detection

    I'm kind of disappointed it missed it and anything else malignant that was installed. When I have time I will browse the sandbox to see if anything else was done and missed.
     
  2. Infected

    Infected Registered Member

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    But look at the other vendors that missed it also. That's why it's always important to have a few 2nd opinion scanners on hand. No 1 program is perfect.
     
  3. bellgamin

    bellgamin Registered Member

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    I don't blame you for being disappointed. Why not let a tiger loose in your sandbox -- namely, Norton Power Eraser (NPE)? NPE is free & it's one of THE most aggressive scanners around.
     
  4. imdb

    imdb Registered Member

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    where there's user interaction, there's always room for failure. that's why user dependent security sw is unreliable (hips, bb, anti-exe etc.), unless the user knows what they're doing.
     
  5. XenMan

    XenMan Registered Member

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    If in doubt, stick it in a box to see what it does...
     
  6. imdb

    imdb Registered Member

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    nah, don't like boxes. would rather go with vm.
     
  7. Nightwalker

    Nightwalker Registered Member

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    To be fair only 3 major engines detected this threat with signatures at the time (4 if you count Dr Web); Avast/AVG, Kaspersky and Microsoft.

    Ps: ZoneAlarm is using Kaspersky SDK.
    Ps2: Now that Kaspersky and Microsoft are detecting, expect a huge increase in detection (copycats adding a definition automatically).
     
    Last edited: May 24, 2019
  8. EASTER

    EASTER Registered Member

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    Whenever I would drop a wild tiger malware or ransomware from the zoo into my box it first is within SandboxIE while in ShadowMode with SD. Always useful to like mentioned and suggested, keep a tiger by the tail and use some secondary scanners to examine the specimen more than a few times. There's some cleverly crafted wiles out there that can wiggle their was through nearly anything.
     
  9. XenMan

    XenMan Registered Member

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    Old laptop, needed a program at work.

    Nothing escapes Sandboxie, other things in the box and was hoping MB would clean it.
     
  10. bellgamin

    bellgamin Registered Member

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    "SDK" ... huh? Do you know whether ZA is only using Kaspersky's sigs, or does ZA use Kaspersky's HIPS as well?
     
  11. Nightwalker

    Nightwalker Registered Member

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    I think ZA uses in-house technology for HIPS and Firewall along with Kaspersky's antivirus engine + cloud + anti-phishing feeds.
     
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