APT / THREAT GROUP

BaoLoader

aliases

Last seen:Mar 17, 2026

Intelligence Profile

According to Expel, the developers behind the recent AppSuite-PDF and PDF Editor campaigns have used at least 26 code-signing certificates over the last seven years to make their software appear legitimate. Due to different use of and certificate clustering, the malware is believed different from both Chromeloader and TamperedChef.

Threat Analysis

BaoLoader is a known-sophistication threat actor of undetermined national origin, engaged in cyber operations with a primary motivation of unknown activity patterns.

External References

→https://expel.com/blog/the-history-of-appsuite-the-certs-of-the-baoloader-developer/

Quick Facts

TypeAPT / Threat Group

Aliases2

Also Known As

win.baoloaderBaoLoader

External Intelligence

Malpedia: win.baoloader

Research Links

MITRE ATT&CK VirusTotal Google (news) Twitter/X search

Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.

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