0nb.7z Today
: The vulnerability was used to deploy the SmokeLoader malware, which functions as a loader for further cyberespionage tools.
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. 0NB.7z
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 . : The vulnerability was used to deploy the
: 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. : Older community discussions, such as those on
Other security-focused blog posts have explored the broader risks associated with archiving tools:
: Security experts recommend updating 7-Zip to version 24.09 or later to patch this flaw. General 7z Security Context
: 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.