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Short bio

Qbot.Backdoor.Stealer.DDS  is Malwarebytes’ detection name for Qbot information stealers detected by Malwarebytes’ Katana engine.

The detection names are produced by Malwarebytes 4 and Malwarebytes business products. These generic malware detections are due to our new automated signature system called BytesTotal and specifically the DDS engine that are based on Machine Learning technology with 100% autonomous learning which don’t require any human interaction to correctly identify malware. These techniques are part of Malwarebytes’ Katana engine and were developed for automated mass detection of wide ranges of malware and adware.

Type and source of infection

Qbot.Backdoor.Stealer.DDS is mainly a banking Trojan and passwordstealer. It is worth noting that most varianst are VM-aware and some have polymorphic abilities. Qbot.Backdoor.Stealer.DDS main source are exploit kits but they are also spread by infected email attachments.


The Malwarebytes’ Katana engine detects unknown threats as Qbot.Backdoor.Stealer.DDS by using generic detections, Machine Learning, and other Artificial Intelligence techniques to protect users from malware that has not yet been classified.