ThreatInfo Detection Digest: May 22, 2026

ThreatInfo research digest

A concise set of new file reports that were not used in recent digests. Each entry includes the detection name, MD5 hash, and a direct report link so analysts can verify the exact sample before taking action.

New report links20
Tracked categories5
Primary actionVerify hash

Category overview

Reports worth opening

Adware

Review browser changes, bundled installers, extensions, and unexpected advertising behavior.

DetectionAdware.ELEX
MD5bfef255bb461ca4ad307f0565de3a9a9
DetectionUnder review
MD5142a78d40cd07251ecb4732177efa816
DetectionUnder review
MD52d604c583b9feaa1abd51e246b937912
DetectionAdware.ELEX
MD5fa5ad499370f61ca9b4e14f4c67253a2

PUP/PUA

Check whether the file came from an installer bundle, optimizer, updater, or optional offer.

DetectionUnder review
MD592312b611f43e7f92a28ed982f0c684d
DetectionUnder review
MD5f22a3ae791c78a31763499585180e46a
DetectionUnder review
MD5ab3c0aa9a2425a5818a2f07402476f0a
DetectionPUP.Systweak
MD5e13eb9e063046524a63872851eebde37

Trojan

Verify the hash and origin before trusting the filename; trojans often imitate legitimate software.

DetectionGeneral Threat
MD5df9f6bfca92822cc878eac8faeecdf50
DetectionRansom.Wacatac
MD51d95f7c9135fefc44b34ef89a26de425
DetectionTrojan.Gen
MD5219c9cb02bf4cd60fdb0acc1b8b16649
DetectionGeneral Threat
MD59427ea4a025409bcd86c3a8c90e9d160

Ransomware

Prioritize isolation and backup checks when this class appears on an endpoint.

DetectionRansom.Skeeyah
MD5b1f0a6b2ddfc9f8442251dc91519dff1
DetectionRansom.Gandcrab
MD5cdff43108b834c4147575f02bd3876dd
DetectionTrojan.Packed
MD540d673b7dcaa0a0850a30ba33b5a5142
DetectionRansom.Occamy
MD56fbe881f1d6480e2e15d3ebe0f493d2d

Virus

Look for copied or modified executables and scan related files created around the same time.

DetectionTrojan.Agent
MD55d373a31b3afdfa6b8021bf242a3c0dc
DetectionGeneral Threat
MD552bc7c27598d86197dc5ec4663dff214
DetectionVirus.Neshta
MD5157c51526d70581a9aecbfd41dbb74e8
DetectionHijack.Explorer
MD536fd5e09c417c767a952b4609d73a54b

How to use this digest

Start with the MD5 hash, not the filename. If the hash or file path matches a system you manage, open the report, review the publisher and detection details, then scan the endpoint with GridinSoft Anti-Malware. ThreatInfo reports show whether GridinSoft already detects the file and which detection name is used.

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