Mallox Ransomware Being Distributed in Korea
AhnLab Security Emergency response Center (ASEC) has recently discovered the distribution of the Mallox ransomware during the team’s monitoring. As covered before, Mallox, which targets vulnerable MS-SQL servers, has historically been distributed at a consistently high rate based on AhnLab’s statistics. The malware disguised as a program related to DirectPlay
Decryptable iswr Ransomware Being Distributed in Korea
ASEC (AhnLab Security Emergency response Center) has recently discovered the distribution of the iswr ransomware during the team’s monitoring. A characteristic of iswr is the fact that it adds the iswr extension at the end of filenames after the files have been encrypted. The ransom note of this ransomware has
Magniber Ransomware’s Relaunch Technique
ASEC (AhnLab Security Emergency Response Center) has been constantly monitoring the Magniber ransomware which has been displaying a high number of distribution cases. It has been distributed through the IE (Internet Explorer) vulnerability for the past few years, but stopped exploiting the vulnerability after the support for the browser ended.
Tracking Distribution Site of Magniber Ransomware Using EDR
AhnLab ASEC has been blocking the Magniber ransomware through various means since its distribution has continued even after, “Redistribution of Magniber Ransomware in Korea (January 28th),” was posted back in January. Redistribution of Magniber Ransomware in Korea (January 28th) A particular finding at the time was that the ransomware used
TZW Ransomware Being Distributed in Korea
Through internal monitoring, the ASEC analysis team recently discovered the distribution of the TZW ransomware, which encrypts files before adding the “TZW” file extension to the original extension. This ransomware is being propagated with the version info marked as “System Boot Info”, disguising itself as a normal program file related
Distribution of Magniber Ransomware Stops (Since November 29th)
Through a continuous monitoring process, the AhnLab ASEC analysis team is swiftly responding to Magniber, the main malware that is actively being distributed using the typosquatting method which exploits typos in domain address input. Through such continuous responses, we have detected that as of November 29th, the distribution of the Magniber
‘Resume.xll’ File Being Distributed in Korea (LockBit 2.0)
In mid-2022, the ASEC analysis team shared that malware with the XLL file format (file extension: .xll) was being distributed via email. The XLL file has a DLL form of a PE (Portable Executable) file but is executed with Microsoft Excel. Since then, this type of malware had not been
Domains Used for Magniber Distribution in Korea
On November 7th, the ASEC analysis team introduced through a blog post the Magniber ransomware which attempted MOTW (Mark of the Web) bypassing. Afterward, using the data left in Zone.Identifier, we conducted an investigation on the sources used for the distribution of Magniber. With the typosquatting method—which exploits typos—when the
DAGON LOCKER Ransomware Being Distributed
It was discovered that the DAGON LOCKER ransomware (hereinafter referred to as “DAGON”) is being distributed in Korea. It was first found through AhnLab ASD infrastructure’s suspicious ransomware behavior block history. In October, it was also reported to AhnLab as a suspicious file by a Korean organization. DAGON is commonly
Magniber Ransomware Attempts to Bypass MOTW (Mark of the Web)
The ASEC analysis team uploaded a post on October 25th to inform the users of the changes that have been made to the Magniber ransomware. Magniber, which is still actively being distributed, has undergone many changes to evade the detection of anti-malware software. Out of these changes, this blog will
