Bart v2.0 ransomware virus: what it is and how to remove it

Bart v2.0 is a file-encrypting ransomware that emerged in 2016 as an updated version of the original Bart virus. IT professionals observed it arrived with several new features and an improved encryption method compared to its predecessor.

The malware spreads primarily through botnets—networks of infected machines that automatically send infections to users worldwide. Unlike more advanced ransomware, Bart v2.0 uses a simpler encryption approach rather than standard AES or RSA methods, making it somewhat less sophisticated than other threats like Cerber.

Files encrypted by Bart v2.0 are marked with a .bart2 extension and cannot be opened without a decryption key. The malware compiles encrypted files into password-protected .zip folders, making direct access impossible. The ransom message provides no legitimate decryption method or email contact for payment.

Your only realistic recovery options are to restore files from backups created before infection, use volume shadow copies if System Recovery was enabled, or attempt data recovery tools that access recovered file fragments.

No official decryptor exists for the current Bart v2.0 strain, though researchers created a free decryptor for the original Bart version in June 2016. Since Bart v2.0 uses an improved encryption method, that older tool will not work.

However, some victims have successfully recovered files using volume shadow copy recovery because the malware does not consistently delete these backups. Security experts continue researching whether a decryption solution will emerge for this variant.

No. Paying the ransom is not recommended and offers no guarantee of file recovery. The ransom message is poorly constructed with offensive remarks and no clear payment instructions, suggesting the perpetrators are inexperienced.

Paying funds only encourages further attacks and supports criminal activity. Instead, focus on using legitimate recovery methods like restoring from backups, attempting shadow copy recovery, or using specialized data recovery tools to retrieve encrypted files without giving money to attackers.

Legitimate data recovery companies may successfully retrieve some files from encrypted drives by accessing unrecovered sectors and shadow copies before the malware destroyed them. However, their success depends on how thoroughly Bart v2.0 damaged your file system and whether you kept System Recovery backups enabled.

Paid services charge substantial fees with no guarantee of complete recovery. Free alternatives like volume shadow copy recovery may work first before investing in professional recovery services.

Bart v2.0 spreads through botnets—automated networks of compromised machines that send infections to computers worldwide, especially those with security vulnerabilities. Outdated operating systems and unpatched security applications create entry points for the malware.

The malware also spreads through spam emails containing infected attachments, often disguised as package delivery notifications, customs declarations, or tax refund documents. Users who open suspicious email attachments or visit compromised websites face the highest infection risk.

Bart v2.0 does not include advanced data-stealing functionality like modern ransomware. Its primary purpose is file encryption rather than data exfiltration. The malware focuses on locking files and demanding payment, not harvesting personal information.

However, if your system was compromised before Bart installed, other malware present on your machine may have already stolen passwords or sensitive data. Run a full system scan to check for additional threats beyond the ransomware.

Yes, Bart v2.0 differs significantly from similar-sounding ransomware like Cerber 3.0. Though less powerful than Cerber, Bart still causes substantial damage through file encryption.

Unlike the original Bart strain that used a single password for all encrypted folders, Bart v2.0 applies multiple passwords to different folders, making manual decryption impossible. The ransomware's simpler encryption method means it's somewhat easier to reverse than military-grade ransomware, but no public decryption tool has emerged yet.

First, disconnect your computer from the network to prevent further spread through botnets. Boot into Safe Mode to limit active processes and improve malware detection. Run Microsoft Defender's full and offline scans to identify and remove Bart v2.0 and any associated malware files.

After removal, use data recovery tools to attempt file restoration from shadow copies, and restore files from clean backups if available. Professional data recovery services may be necessary if automated tools fail.

Fortect scans Windows for malware and unwanted programs and repairs the system files and settings they change, and its free scan shows what it finds on your PC before you decide anything.

For Bart v2.0 ransomware virus, follow the plan above as well: the browser steps take back permissions and settings that no scanner treats as a threat, and uninstalling the program that brought it removes the source.

Run Microsoft Defender's full scan and, if anything was found, its offline scan as a second opinion. If the symptoms are gone after the plan and both scans are clean, there is nothing more to do.