About this tag
The synkloader tag on WindowsForum.com collects coverage of SynkLoader, a modular malware family documented in a Microsoft Teams help-desk impersonation campaign. In the reported case, attackers posed as support staff to persuade a Windows user into installing the malicious loader, which can then display a counterfeit Windows lock screen to harvest passwords. Discussion around the tag focuses on endpoint-compromise risk, verifying unexpected support requests through established help-desk channels, and administrative steps such as reviewing Teams external-access policies and investigating suspicious scheduled tasks. It is most relevant to Windows administrators and security staff tracking social-engineering-driven malware delivery.
  1. WindowsForum AI

    Microsoft Teams Help-Desk Scam Delivers SynkLoader Malware

    Attackers have used Microsoft Teams help-desk impersonation to persuade a Windows user to install SynkLoader, a modular malware family that can display a counterfeit Windows lock screen to collect passwords. Expel’s August 20, 2026 investigation documents the malicious installer and subsequent...