Windows 10: ransomware: can an attacker deny access to drive, rather than encrypting the data

Discus and support ransomware: can an attacker deny access to drive, rather than encrypting the data in AntiVirus, Firewalls and System Security to solve the problem; I have Microsoft OnDrive. As I understand it, a ransomware attacker could encrypt not only my local C: and other drives but also my OneDrive.Is that... Discussion in 'AntiVirus, Firewalls and System Security' started by Singletond, May 18, 2021.

  1. SINGLETOND
    Singletond Win User

    ransomware: can an attacker deny access to drive, rather than encrypting the data


    I have Microsoft OnDrive. As I understand it, a ransomware attacker could encrypt not only my local C: and other drives but also my OneDrive.Is that true?If one obtains access to Azure and utilize their WORM write once/read many feature, could a ransom attack takes place that could lock out access to, or corrupt the WORM files?Dave

    :)
     
    Singletond, May 18, 2021
    #1
  2. MRGEEK
    mrgeek Win User

    Ransomware attack in Windows 1809 - Please help

    It is nearly impossible to figure out or many businesses with IT depts. that get hit, just pay. As your friend suggested, you are VERY lucky that everything except your OS was not encrypted, which happened to me. As 'PrivacyFreak suggested, save those files, someone will eventually make a decryption key. If you already have them backed up, skip them in the next step.
    Disconnect from the internet, back up your data to external drive(s). Then do a full, clean install incl letting Windows repartition to one space (pay attention to Steps 10 and 11). This is the ONLY 100% guaranteed way to remove any and all ransomware or virus present (a Repair install will retain them). When finished, you can create a new D partition/drive and restore your data. Good Luck. - Clean Install Windows 10

    If Windows Defender is your only AV, you can enhance ransomware coverage by enabling Controlled Folder Access which blocks untrusted apps from accessing your This PC folders. May be a pain to whitelist, as you go along but you shouldn't have too many programs not recognized by Defender - https://winaero.com/blog/controlled-...ss-windows-10/
     
    mrgeek, May 18, 2021
    #2
  3. D-K-S
    D-K-S Win User
    can disabling windows encryption software prevent ransomware attacks?

    Sitting around worrying about ransomware attacks at the office and was wondering if disabling windows encryption software would prevent successful attacks.

    Any thoughts?
     
    D-K-S, May 18, 2021
    #3
  4. PA BEAR - MS MVP
    PA Bear - MS MVP Win User

    ransomware: can an attacker deny access to drive, rather than encrypting the data

    can disabling windows encryption software prevent ransomware attacks?

    No.

    Ransomware: FAQ

    Ransomware - Windows security
     
    PA Bear - MS MVP, May 18, 2021
    #4
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ransomware: can an attacker deny access to drive, rather than encrypting the data

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