GandCrab Ransomware Shutters Its Operations

The GandCrab ransomware group is shutting down, according to posts on the Dark Web. Researchers David Montenegro and Damian spotted the announcements over the weekend. Start of GandCrab Ransomware : 28-1-2018 .. 🦀🦀🦀 Close of GandCrab Ransomware : 1-6-2019 .. ☠️☠️☠️@RajSamani @ValthekOn @JohnFokker...

New GandCrab Decryptor Unlocks Files of Updated Ransomware

Yet another free decryptor is available for GandCrab ransomware victims. The tool, released Tuesday, is the third decryptor update in the past year that thwarts the prolific and fast-evolving GandCrab ransomware. Europol police announced availability of the update, which now unlocks data encrypte...

PyLocky Ransomware Decryption Tool Released — Unlock Files For Free

If your computer has been infected with PyLocky Ransomware and you are searching for a free ransomware decryption tool to unlock or decrypt your files—your search might end here. Security researcher Mike Bautista at Cisco's Talos cyber intelligence unit have released a free decryption tool that...

Pylocky Unlocked: Cisco Talos releases PyLocky ransomware decryptor

This tool was developed by Mike Bautista. PyLocky is a family of ransomware written in Python that attempts to masquerade as a Locky variant. This ransomware will encrypt all files on a victim machine before demanding that the user pay a ransom to gain access to their decrypted files. To combat...

Free Thanatos Ransomware Decryption Tool Released

If your computer has been infected with Thanatos Ransomware and you are searching for a free ransomware decryption tool to unlock or decrypt your files—your search is over here. Security researchers at Cisco Talos have discovered a weakness in the Thanatos ransomware code that makes it possible f...

Files Cannot Be Decrypted? Challenge Accepted. Talos Releases ThanatosDecryptor

This blog post was authored by Edmund Brumaghin, Earl Carter and Andrew Williams. Executive summary Cisco Talos has analyzed Thanatos, a ransomware variant that is being distributed via multiple malware campaigns that have been conducted over the past few months. As a result of our research, we...

SamSam ransomware: controlled distribution for an elusive malware

SamSam ransomware has been involved in some high profile attacks recently, and remains a somewhat elusive malware. In its time being active, SamSam has gone through a slight evolution, adding more features and alterations into the mix. These changes do not necessarily make the ransomware more...

A week in security (March 26 – April 01)

Last week, we looked at the thought process behind creating a ransomware decryptor, the inner workings of QuantLoader, the ways one can protect their Android devices, the exploit kits we have encountered this winter, the now-known epidemic of data breaches, the coming of TLS 1.3, and the ways one...

Encryption 101: Decryptor’s thought process

In the previous parts 1, 2 and 3 of this series, we covered the basics of encryption, walked through a live example of a ransomware in detail, and talked about encryption weaknesses. In this part of the encryption 101 series, we will begin wrapping it up by going into detail on a ransomware with...

CVE-2015-9107

Zoho ManageEngine OpManager 11 through 12.2 uses a custom encryption algorithm to protect the credential used to access the monitored devices. The implemented algorithm doesn't use a per-system key or even a salt; therefore, it's possible to create a universal decryptor...

CVE-2015-9107

Zoho ManageEngine OpManager 11 through 12.2 uses a custom encryption algorithm to protect the credential used to access the monitored devices. The implemented algorithm doesn't use a per-system key or even a salt; therefore, it's possible to create a universal decryptor...

Bye, bye Petya! Decryptor for old versions released.

Following the outbreak of the Petya-based malware in Ukraine, the author of the original version, Janus, decided to release his master key, probably closing the project. You can read the full story here. Based on the released key, we prepared a decryptor that is capable of unlocking all the...

NemucodAES Ransomware, Kovter Click-Fraud Malware Spreading in Same Campaigns

Two malware families, NemucodAES and Kovter, are being packaged together in .zip attachments and delivered via active spam campaigns. Researcher Brad Duncan said, “together these two pieces of malware could deliver a nasty punch.” Duncan, a handler at the SANS Institute Internet Storm Center, sai...

Player 1 Limps Back Into the Ring - Hello again, Locky!

This post was authored by Alex Chiu, Warren Mercer, and Jaeson Schultz. Sean Baird and Matthew Molyett contributed to this post.Back in May, the Necurs spam botnet jettisoned Locky ransomware in favor of the new Jaff ransomware variant. However, earlier this month Kaspersky discovered a...

Scanning and Remediating WannaCry/MS17-010 in InsightVM and Nexpose

Today, security teams are starting their work week with a scramble to remediate MS17-010, in order to prevent the associated ransomware attack, WannaCry, also known as Wanna Decryptor, WNCRY, and Wanna Decryptor 2.0 how I miss the halcyon days when vulnerabilities had gentle names like Poodle. Wi...

Unspecified Vulnerability in Multiple Mozilla Products

Mozilla Firefox, Firefox ESR and Thunderbird are all developed by the Mozilla Foundation.Firefox is an open source web browser, Firefox ESR is an extended support version of Firefox.Thunderbird is a standalone email client from the Mozilla Thunderbird is a separate email client from Mozilla...

Mozilla: Out-of-bounds write in ClearKeyDecryptor (MFSA 2017-11, MFSA 2017-12)

An out-of-bounds write in "ClearKeyDecryptor" while decrypting some Clearkey-encrypted media content. The "ClearKeyDecryptor" code runs within the Gecko Media Plugin GMP sandbox. If a second mechanism is found to escape the sandbox, this vulnerability allows for the writing of arbitrary data with...

Keys for Dharma Ransomware Released

Victims of the Dharma strain of ransomware can now get their files back, free of charge. Decryption keys for the ransomware were added to the Kaspersky Lab’s Rakhni decryptor tool Thursday morning. Dharma ransomware .dharma decryptor released pic.twitter.com/sIQorypOzj — Anton Ivanov @antonivanov...

New Decryptor Unlocks CryptXXX v3 Files

Researchers have neutralized the threat of the latest strain of the CryptXXX v.3 ransomware, releasing a decryption tool for unlocking files, and have added it to the RannohDecryptor, a free utility hosted by Kaspersky Lab’s No Ransom Project. Previous decryption tools had been available for...

CryptXXX Ransomware Updates Ransom Note, Payment Site

For the second time since June 1, the handlers of CryptXXX ransomware have changed their ransom note and Tor payment site. More importantly to those developing detection signatures and administrators, this update no longer makes changes to the file extensions of encrypted files. “To make it more...