If you are looking for information on a specific file named 0NB.7z that you have encountered, it is highly recommended to and scan it with updated security software, as .7z files are a common delivery method for the SmokeLoader malware mentioned in recent security briefs.
: The campaign primarily targeted governmental and civilian organizations in Ukraine as part of the Russo-Ukrainian conflict.
: Older community discussions, such as those on Reddit , have debated the cryptographic implementation in 7-Zip, though many reported "flaws" were later deemed low-risk or debunked by the developer. 0NB.7z
: Security experts recommend updating 7-Zip to version 24.09 or later to patch this flaw. General 7z Security Context
While there is no single "official" blog post titled exactly "0NB.7z," recent threat intelligence reports and security blog posts from early 2025 detail a critical exploitation involving archives and a zero-day vulnerability. Security Vulnerability: CVE-2025-0411 If you are looking for information on a
: Attackers used compromised email accounts to send malicious archives. These attacks utilized homoglyph attacks , where visually similar characters are used to deceive users into opening malicious files.
: The vulnerability was used to deploy the SmokeLoader malware, which functions as a loader for further cyberespionage tools. : Security experts recommend updating 7-Zip to version 24
On February 4, 2025, researchers at Trend Micro published a blog post detailing how Russian-linked threat actors exploited a zero-day vulnerability in 7-Zip, identified as .