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Jayesh kulkarni

About Jayesh Kulkarni

Jayesh is working as a Security Researcher for a couple of years. He likes to reverse binaries and decode encryption of ransomware.

Way Out of The MAZE: A Quick Guide For Defending Against Maze Ransomware

 April 23, 2020
The modus operandi of the Maze Ransomware

Estimated reading time: 6 minutes

From late 2019, MAZE Ransomware started becoming infamous for its Encryption, data stealing and the subsequent selling of the stolen data. Few other reasons behind its popularity are also its unique targets and the ransom demands. From its inception around May 2019, MAZE actors are targeting multiple sectors, prominent ones...

HorseDeal Riding on The Curveball!

 February 5, 2020

Estimated reading time: 5 minutes

It’s surprising to see how quickly attackers make use of new vulnerabilities in malware campaigns. Microsoft recently patched a very interesting vulnerability in their monthly Patch Tuesday update for January 2020. It’s a spoofing vulnerability in Windows CryptoAPI (Crypt32.dll) validation mechanism for Elliptic Curve Cryptography (ECC) certificates. An attacker could...

STOP (Djvu) Ransomware: Ransom For Your Shady Habits!

 January 15, 2020

Estimated reading time: 9 minutes

With almost 200 extensions, STOP (djvu) ransomware can be said to be 2019’s most active and widespread ransomware. Although this ransomware was active a year before, it started its campaign aggressively in early 2019. To evade detection, it has been continuously changing its extensions and payloads. For earlier infections, data...