While examining malware samples submitted to the VirusTotal, our team discovered FirstKill - ransomware that encrypts files. It is used to blackmail victims by demanding to pay for a decryption tool. FirstKill not only encrypts but also renames files (appends the ".FirstKill" extension), changes t
After inspecting the "DHL e-Shipping Invoice" email, we determined that it is spam. This email spam campaign operates as a phishing scam. These letters claim to contain an invoice regarding a shipment, which recipients can view and inquire about by logging in with their email accounts. However, by
After inspecting this letter, our team concluded that its purpose is to trick recipients into infecting their computers with malware. We found that this email is disguised as a letter regarding a money refund and contains an attachment designed to download a file containing another (malicious) fil
Demon is a type of malware (ransomware) that encrypts files. We discovered it while examining malware samples submitted to the VirusTotal site. Threat actors behind it demand payment in return for decryption tools. Additionally, Demon ransomware appends ".demon" extension to filenames and creates
While inspecting new submissions to VirusTotal, our researchers found the ProgressBoost application. The analysis of this software revealed that it operates as adware and belongs to the AdLoad malware family. Adware is designed to display adverts on visited websites and/or other interfac
ProgramOpen is a rogue application that our research team discovered while investigating new submissions to VirusTotal. After analyzing this piece of software, we learned that ProgramOpen is adware. Additionally, this app is part of the AdLoad malware family. Adware stands for advertisin
ModernLoader, also known as Avatar Bot and AvatarLoader, is a malicious program that has minimalistic loader and RAT (Remote Access Trojan) functionalities. Loader-type malware is designed to infect devices with additional malicious programs, while RATs enable remote access/control over infected
refresh color is the name of a browser extension we discovered on a deceptive website. After downloading and adding it, we learned that it shows annoying advertisements. Apps of this type are classified as advertising-supported apps (adware). refresh color is described as an application th
After examining this email, we found that it is sent by scammers who aim to trick recipients into contacting (calling) them. The email is disguised as a letter from NortonLifeLock (a legitimate software company) regarding order confirmation. This letter must be ignored. The email claims th
NominatusCrypt is the name of ransomware (a variant of the EvilNominatus ransomware). We discovered this ransomware while inspecting malware samples submitted to the VirusTotal website. Unlike most ransomware, NominatusCrypt does not rename files. It provides a ransom note by displaying instructio