Windows 10: OneDrive files contain ransomware

Discus and support OneDrive files contain ransomware in AntiVirus, Firewalls and System Security to solve the problem; Hello, my OneDrive is a basic one (OneDrive Basis 5GB-Storage only). When I opened it in my ransomware-infected laptop, I found some files on OneDrive... Discussion in 'AntiVirus, Firewalls and System Security' started by Kathleen4287, Sep 6, 2019.

  1. KATHLEEN4287
    Kathleen4287 Win User

    OneDrive files contain ransomware


    Hello, my OneDrive is a basic one (OneDrive Basis 5GB-Storage only). When I opened it in my ransomware-infected laptop, I found some files on OneDrive were also infected. In this case when an OneDrive file contains ransomware, will all other files in it be also infected?
    Besides, my laptop is clean now (after reinstalling and formatting). If I open OneDrive containing infected files on my laptop, will the ransomware spread to my laptop again?
    Is there any solutions to recover OneDrive files, and prevent my laptop from being re-infected?

    :)
     
    Kathleen4287, Sep 6, 2019
    #1
  2. QUIETMAN7 - MVP
    quietman7 - MVP Win User

    How can my files on onedrive get corrupted by a ransomware attack?

    US-CERT Alert (TA13-309A) advises some crypto malware variants have the ability to target, find and encrypt files located within
    network drives, shared (mapped network paths), USB drives, external hard drives, and even
    files stored on cloud services (cloud storage drives) if they have a drive letter. Although cloud backups typically do not use drive letters, many cloud storage services do not save prior file versions so there’s no way to revert to a clean
    file version.

    OneDrive is Microsoft's
    free data hosting cloud service     that allows users to sync files and later access them from a web browser or mobile device. I do not use OneDrive, but from what I understand the source data (like

    GoogleDrive    ) resides locally in the OneDrive folder. If that gets encrypted by ransomware, it will get encrypted in the Cloud service as well since it gets automatically synchronized. However, according to Microsoft, OneDrive
    has the capability to restore files affected by ransomware by using Version History or restoring from the OneDrive Recycle Bin...see

    OneDrive vs. Ransomware     which includes links with instructions for recovering OneDrive-based files using Version History and the OneDrive Recycle Bin.

     
    quietman7 - MVP, Sep 6, 2019
    #2
  3. SMEED
    Smeed Win User
    Smeed, Sep 6, 2019
    #3
  4. BRINK
    Brink Win User

    OneDrive files contain ransomware

    OneDrive Files Restore and Windows Defender ransomware protection


    Source: OneDrive Files Restore and Windows Defender takes ransomware protection one step further - Microsoft Tech Community - 188001
     
    Brink, Sep 6, 2019
    #4
Thema:

OneDrive files contain ransomware

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