{"id":2999,"date":"2026-01-16T17:59:00","date_gmt":"2026-01-16T17:59:00","guid":{"rendered":"https:\/\/infosec-daily.com\/?page_id=2999"},"modified":"2026-01-16T17:59:00","modified_gmt":"2026-01-16T17:59:00","slug":"gootloader-malware-uses-500-1000-concatenated-zip-archives-to-evade-detection","status":"publish","type":"page","link":"https:\/\/infosec-daily.com\/?page_id=2999","title":{"rendered":"GootLoader Malware Uses 500\u20131,000 Concatenated ZIP Archives to Evade Detection"},"content":{"rendered":"<p>The JavaScript (aka JScript) malware loader called GootLoader has been observed using a malformed ZIP archive that&#8217;s designed to sidestep detection efforts by concatenating anywhere from 500 to 1,000 archives.<br \/>\n&#8220;The actor creates a malformed archive as an anti-analysis technique,&#8221; Expel security researcher Aaron Walton said in a report shared with The Hacker News. &#8220;That is, many unarchiving tools<\/p>","protected":false},"excerpt":{"rendered":"<p>The JavaScript (aka JScript) malware loader called GootLoader has been observed using a malformed ZIP archive that&#8217;s designed to sidestep detection efforts by concatenating anywhere from 500 to 1,000 archives.&hellip;<\/p>\n","protected":false},"author":1,"featured_media":3000,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"saved_in_kubio":false,"footnotes":""},"class_list":["post-2999","page","type-page","status-publish","has-post-thumbnail","hentry"],"kubio_ai_page_context":{"short_desc":"","purpose":"general"},"_links":{"self":[{"href":"https:\/\/infosec-daily.com\/index.php?rest_route=\/wp\/v2\/pages\/2999","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/infosec-daily.com\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/infosec-daily.com\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/infosec-daily.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/infosec-daily.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2999"}],"version-history":[{"count":0,"href":"https:\/\/infosec-daily.com\/index.php?rest_route=\/wp\/v2\/pages\/2999\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/infosec-daily.com\/index.php?rest_route=\/wp\/v2\/media\/3000"}],"wp:attachment":[{"href":"https:\/\/infosec-daily.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2999"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}