What Is Sextortion? Scam Email Signs and What to Do
Got a sextortion email or blackmail threat? Learn how to tell a bluff from real risk, what not to pay, how to secure your accounts, and where to report abuse.
Threat research notebook
Gridinsoft Security Lab
Fresh malware notes, phishing samples, scam redirects, ransomware observations, and field reports from Gridinsoft research. No gallery, no filler: date, case, finding, next read.
302 lab recordsTOP 10 Most Dangerous Computer Viruses In History
Computer viruses really resemble real ones. They can infect thousands of computers in a matter of...
Aluc Service and Aluc App: What They Are and How to Remove Them
Aluc Service and Aluc App are names users report seeing in Task Manager, Services, or installed...
Exim Vulnerability Allows RCE, No Patches Available
Exim Internet Mailer, a program massively used as a basis for mailing servers, appears to have...
Research log
Redline and Vidar Stealers Switch to Ransomware Delivery
Cybercriminals who stand behind RedLine and Vidar stealers decided to diversify their activity. Now, crooks deploy ransomware, using the same spreading techniques as they...
GridinSoft Launches Own Online Scanner Service – Meet Online Virus Scanner
As a part of the GridinSoft team, I am proud to announce the public release of our own online virus scanner service! Now, you...
W3LL Targets Microsoft 365 Accounts with Sophisticated Phishing Kit
In the ever-evolving landscape of cyber threats, crooks continually find new and inventive ways to exploit vulnerabilities and target valuable assets. One such threat...
HiatusRAT Used in Attacks on Taiwan Companies and U.S. Military
Recent attacks on US military systems and Taiwan companies are distinctive not only by the brave target choosing, but also for the used toolkit....
Phishing With Hacked Sites Becomes a Massive Menace
Threat actors started using compromised websites for phishing purposes much more frequently. Such worrying statistics popped up in several recent researches. This is not...
Infostealers: How to Detect, Remove and Prevent Information-Stealing Malware in 2026
Think an info-stealer is on your PC? Clean the device, revoke sessions, reset passwords from a trusted device, and secure accounts in the right...
FIN8 Updated Sardonic Backdoor to Deliver Noberus Ransomware
FIN8, an infamous group of cybercriminals, has updated its backdoor malware to avoid being detected. They made improvements and prepared to release a new...
Microsoft CVE-2023-36884 Vulnerability Exploited in the Wild
On July 11, 2023, Microsoft published an article about addressing the CVE-2023-36884 vulnerability. This breach allowed for remote code execution in Office and Windows...
Wise Remote Trojan: Infostealer, RAT, DDoS Bot, and Ransomware
Wise Remote Stealer is a potent and malicious software that operates as an infostealer, Remote Access Trojan (RAT), DDoS bot, and ransomware. It has...
What Is Proxyjacking? Stolen Bandwidth, Symptoms, and Removal
Proxyjacking turns your device, router, or home IP into a hidden residential proxy. Learn the signs, first checks, removal steps, and how to stop...
PlugX malware attacks European diplomats
Over the past few months, researchers have been monitoring the activity of a Chinese threat actor using PlugX malware to target foreign and domestic...
RedEnergy Stealer-as-a-Ransomware On The Rise
Researchers have discovered a new form of malware called RedEnergy Stealer. It is categorized as Stealer-as-a-Ransomware but is not affiliated with the Australian company...
Dark Web Malware: Stealer Logs, MaaS, and How to Stay Safe
Dark web malware now runs on stealer logs, stolen credentials, MaaS tools, and ransomware access. Learn the risks and what to do after a...
Cloud Mining Scams Spread Banking Trojans
It's no secret that cybercriminals are increasingly using mobile platforms as an attack vector lately. One example is a new Android malware. It spreads...
Fake Windows Key Scam
Seeing "Windows Key Code Is Not Valid And Seems Pirated"? It is a fake tech support alert. Close the page, remove adware, and recover...
Business Email Compromise (BEC): Signs, Examples, and What to Do
Business email compromise (BEC) abuses trusted email conversations to steal money or data. Learn warning signs, wire-fraud examples, and what to do before or...