{"id":119,"date":"2026-05-22T03:27:08","date_gmt":"2026-05-22T03:27:08","guid":{"rendered":"https:\/\/threatinfo.net\/articles\/threatinfo-daily-digest-2026-05-22\/"},"modified":"2026-05-22T03:27:08","modified_gmt":"2026-05-22T03:27:08","slug":"threatinfo-daily-digest-2026-05-22","status":"publish","type":"post","link":"https:\/\/threatinfo.net\/articles\/threatinfo-daily-digest-2026-05-22\/","title":{"rendered":"ThreatInfo Detection Digest: May 22, 2026"},"content":{"rendered":"
\n

ThreatInfo research digest<\/p>\n

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.<\/p>\n

\n
New report links<\/span>20<\/strong><\/div>\n
Tracked categories<\/span>5<\/strong><\/div>\n
Primary action<\/span>Verify hash<\/strong><\/div>\n<\/div>\n<\/section>\n
\n

Category overview<\/h2>\n
Adware<\/strong>4 new reports<\/span><\/a>PUP\/PUA<\/strong>4 new reports<\/span><\/a>Trojan<\/strong>4 new reports<\/span><\/a>Ransomware<\/strong>4 new reports<\/span><\/a>Virus<\/strong>4 new reports<\/span><\/a><\/div>\n<\/section>\n
\n

Reports worth opening<\/h2>\n
\n
\n

Adware<\/h3>\n

Review browser changes, bundled installers, extensions, and unexpected advertising behavior.<\/p>\n<\/div>\n

\n
\n
File<\/span>A0243071.dll<\/a><\/div>\n
Detection<\/span>Adware.ELEX<\/strong><\/div>\n
MD5<\/span>bfef255bb461ca4ad307f0565de3a9a9<\/code><\/div>\n<\/div>\n
\n
File<\/span>A0096128.sys<\/a><\/div>\n
Detection<\/span>Under review<\/strong><\/div>\n
MD5<\/span>142a78d40cd07251ecb4732177efa816<\/code><\/div>\n<\/div>\n
\n
File<\/span>isafekrnlkit.sys<\/a><\/div>\n
Detection<\/span>Under review<\/strong><\/div>\n
MD5<\/span>2d604c583b9feaa1abd51e246b937912<\/code><\/div>\n<\/div>\n
\n
File<\/span>A0422258.dll<\/a><\/div>\n
Detection<\/span>Adware.ELEX<\/strong><\/div>\n
MD5<\/span>fa5ad499370f61ca9b4e14f4c67253a2<\/code><\/div>\n<\/div>\n<\/div>\n<\/div>\n
\n
\n

PUP\/PUA<\/h3>\n

Check whether the file came from an installer bundle, optimizer, updater, or optional offer.<\/p>\n<\/div>\n

\n
\n
File<\/span>IdcSrv_x64.dll<\/a><\/div>\n
Detection<\/span>Under review<\/strong><\/div>\n
MD5<\/span>92312b611f43e7f92a28ed982f0c684d<\/code><\/div>\n<\/div>\n
\n
File<\/span>A0054940.exe<\/a><\/div>\n
Detection<\/span>Under review<\/strong><\/div>\n
MD5<\/span>f22a3ae791c78a31763499585180e46a<\/code><\/div>\n<\/div>\n
\n
File<\/span>A0054947.dll<\/a><\/div>\n
Detection<\/span>Under review<\/strong><\/div>\n
MD5<\/span>ab3c0aa9a2425a5818a2f07402476f0a<\/code><\/div>\n<\/div>\n
\n
File<\/span>roboot.exe<\/a><\/div>\n
Detection<\/span>PUP.Systweak<\/strong><\/div>\n
MD5<\/span>e13eb9e063046524a63872851eebde37<\/code><\/div>\n<\/div>\n<\/div>\n<\/div>\n
\n
\n

Trojan<\/h3>\n

Verify the hash and origin before trusting the filename; trojans often imitate legitimate software.<\/p>\n<\/div>\n

\n
\n
File<\/span>ADOBE CS5.5 KEYGEN.exe<\/a><\/div>\n
Detection<\/span>General Threat<\/strong><\/div>\n
MD5<\/span>df9f6bfca92822cc878eac8faeecdf50<\/code><\/div>\n<\/div>\n
\n
File<\/span>IObit Driver Booster Pro 4.4.0.512.exe<\/a><\/div>\n
Detection<\/span>Ransom.Wacatac<\/strong><\/div>\n
MD5<\/span>1d95f7c9135fefc44b34ef89a26de425<\/code><\/div>\n<\/div>\n
\n
File<\/span>Counter-Strike Global Offensive.exe<\/a><\/div>\n
Detection<\/span>Trojan.Gen<\/strong><\/div>\n
MD5<\/span>219c9cb02bf4cd60fdb0acc1b8b16649<\/code><\/div>\n<\/div>\n
\n
File<\/span>Adobe CS4 Master Collection Keyken.exe<\/a><\/div>\n
Detection<\/span>General Threat<\/strong><\/div>\n
MD5<\/span>9427ea4a025409bcd86c3a8c90e9d160<\/code><\/div>\n<\/div>\n<\/div>\n<\/div>\n
\n
\n

Ransomware<\/h3>\n

Prioritize isolation and backup checks when this class appears on an endpoint.<\/p>\n<\/div>\n

\n
\n
File<\/span>CorelDRAW 2018.exe<\/a><\/div>\n
Detection<\/span>Ransom.Skeeyah<\/strong><\/div>\n
MD5<\/span>b1f0a6b2ddfc9f8442251dc91519dff1<\/code><\/div>\n<\/div>\n
\n
File<\/span>tyav32u.dll<\/a><\/div>\n
Detection<\/span>Ransom.Gandcrab<\/strong><\/div>\n
MD5<\/span>cdff43108b834c4147575f02bd3876dd<\/code><\/div>\n<\/div>\n
\n
File<\/span>winzip32.exe<\/a><\/div>\n
Detection<\/span>Trojan.Packed<\/strong><\/div>\n
MD5<\/span>40d673b7dcaa0a0850a30ba33b5a5142<\/code><\/div>\n<\/div>\n
\n
File<\/span>clean1.exe<\/a><\/div>\n
Detection<\/span>Ransom.Occamy<\/strong><\/div>\n
MD5<\/span>6fbe881f1d6480e2e15d3ebe0f493d2d<\/code><\/div>\n<\/div>\n<\/div>\n<\/div>\n
\n
\n

Virus<\/h3>\n

Look for copied or modified executables and scan related files created around the same time.<\/p>\n<\/div>\n

\n
\n
File<\/span>Patch.exe<\/a><\/div>\n
Detection<\/span>Trojan.Agent<\/strong><\/div>\n
MD5<\/span>5d373a31b3afdfa6b8021bf242a3c0dc<\/code><\/div>\n<\/div>\n
\n
File<\/span>Service Provider License KeyGen.exe<\/a><\/div>\n
Detection<\/span>General Threat<\/strong><\/div>\n
MD5<\/span>52bc7c27598d86197dc5ec4663dff214<\/code><\/div>\n<\/div>\n
\n
File<\/span>GoogleUpdate.exe<\/a><\/div>\n
Detection<\/span>Virus.Neshta<\/strong><\/div>\n
MD5<\/span>157c51526d70581a9aecbfd41dbb74e8<\/code><\/div>\n<\/div>\n
\n
File<\/span>svchost(39).com<\/a><\/div>\n
Detection<\/span>Hijack.Explorer<\/strong><\/div>\n
MD5<\/span>36fd5e09c417c767a952b4609d73a54b<\/code><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n
\n

How to use this digest<\/h2>\n

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<\/a>. ThreatInfo reports show whether GridinSoft already detects the file and which detection name is used.<\/p>\n<\/section>\n","protected":false},"excerpt":{"rendered":"

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 … <\/p>\n

Read more<\/a><\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"spay_email":""},"categories":[50],"tags":[],"yoast_head":"\nThreatInfo Detection Digest: May 22, 2026 - ThreatInfo Research<\/title>\n<meta name=\"description\" content=\"ThreatInfo detection digest with new file reports, malware categories, MD5 hashes, and GridinSoft verdict context.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/threatinfo.net\/articles\/threatinfo-daily-digest-2026-05-22\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ThreatInfo Detection Digest: May 22, 2026 - ThreatInfo Research\" \/>\n<meta property=\"og:description\" content=\"ThreatInfo detection digest with new file reports, malware categories, MD5 hashes, and GridinSoft verdict context.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/threatinfo.net\/articles\/threatinfo-daily-digest-2026-05-22\/\" \/>\n<meta property=\"og:site_name\" content=\"ThreatInfo Research\" \/>\n<meta property=\"article:published_time\" content=\"2026-05-22T03:27:08+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebSite\",\"@id\":\"https:\/\/threatinfo.net\/articles\/#website\",\"url\":\"https:\/\/threatinfo.net\/articles\/\",\"name\":\"ThreatInfo Research\",\"description\":\"Malware explainers, daily file-report links, hashes, GridinSoft detections, and remediation guidance from ThreatInfo Research\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/threatinfo.net\/articles\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/threatinfo.net\/articles\/threatinfo-daily-digest-2026-05-22\/#webpage\",\"url\":\"https:\/\/threatinfo.net\/articles\/threatinfo-daily-digest-2026-05-22\/\",\"name\":\"ThreatInfo Detection Digest: May 22, 2026 - 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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 links20Tracked categories5Primary actionVerify hashCategory overviewAdware4 new reportsPUP\/PUA4 new reportsTrojan4 new\u2026","rel":"","context":"In "Daily Digest"","img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":116,"url":"https:\/\/threatinfo.net\/articles\/threatinfo-daily-digest-2026-05-19\/","url_meta":{"origin":119,"position":5},"title":"ThreatInfo Detection Digest: May 19, 2026","date":"May 19, 2026","format":false,"excerpt":"ThreatInfo research digestA concise set of new file reports that were not used in recent digests. 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