Weather Zero Virus or Adware? High CPU and Removal Guide
Weather Zero can run WeatherZeroService.exe, use high CPU, show ads, and leave stubborn files. Learn how to uninstall it, stop the service, and clean leftovers.
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.
309 lab recordsVirus:Win32/Floxif.H Removal
Virus:Win32/Floxif.H is a severe Microsoft Defender file-infector alert. Learn how to remove it, rescan safely, and...
Virus:Win32/Grenam.VA!MSR and Ground.exe Removal
Defender flagged Virus:Win32/Grenam.VA!MSR or Ground.exe? Learn why Grenam can affect EXE files, transparent icons, USB drives,...
PUA:Win32/Presenoker: Meaning, Removal, and Safe Check
PUA:Win32/Presenoker is a Microsoft Defender detection for a potentially unwanted application, not a single fixed virus...
Research log
Trojan:Win32/Znyonm
Trojan:Win32/Znyonm is a detection often seen during the backdoor malware activity in the background. Such malware can escalate privileges, enable remote access, or deploy...
Internet Is A Dangerous Place
The "Internet Is A Dangerous Place" scam is a novel type of threatening email message that targets people with threats of intimidation and exposure....
Binance Smart Contracts Blockchain Abused in Malware Spreading
Cybercriminals abuse BNB Smart Chain contracts to store and retrieve malware-delivery code, making that part of their infrastructure difficult to take down. The historical...
Trojan:Win32/Wacatac.H!ml: False Positive or Remove?
Defender found Trojan:Win32/Wacatac.H!ml? Check the path and source, decide restore vs remove, and scan leftovers if the alert returns.
PUADlManager:Win32/OfferCore: Remove, Restore, or False Positive?
Defender found PUADlManager:Win32/OfferCore or PUADIManager? Check the path, decide false positive vs removal, clean bundles, and scan leftovers.
PUA:Win32/Vigua.A: Remove It or False Positive?
Defender found PUA:Win32/Vigua.A? Check its path and source, remove a real PUA, or verify trusted software before restoring it.
sihost.exe: Shell Infrastructure Host Safe or Virus?
sihost.exe is safe in the Windows System32 folder with a Microsoft signature. Check virus signs, high CPU fixes, AppData/sihost64, and when to scan.
Win.MxResIcn.Heur.Gen
Antivirus engine of MaxSecure, a well-known cybersecurity vendor, currently shows massive amounts of false positive detection with the name Win.MxResIcn.Heur.Gen. It touches numerous legitimate...
IP Stresser: Legal Test or DDoS Booter?
An IP stresser is safe only for systems you own or have written permission to test. Learn free-stresser red flags, DDoS booter risks, and...
Meduza Stealer
The Malware world evolves constantly, and it would be reckless to ignore newcomers and their potential. Meduza Stealer appears to be a pretty potent...
SearchHost.exe High CPU, Memory, or GPU: Safe or Virus?
SearchHost.exe spiking CPU, memory, GPU, or waking your laptop dGPU? Learn when it is normal Windows Search, when it may be malware, and how...
Script-Based Malware: How Attackers Run Malware Through Scripts
Script-based malware uses scripts such as PowerShell, JavaScript, VBScript, batch files, Office macros, or shell scripts to download, launch, hide, or control malicious activity....
Program:Win32/Wacapew.C!ml: False Positive or Remove?
Defender detected Program:Win32/Wacapew.C!ml? Learn how to check the file source, decide whether it is a false positive, remove suspicious files, and scan for leftovers.
PUABundler:Win32/CandyOpen: What It Is and Removal
PUABundler:Win32/CandyOpen points to an OpenCandy-style bundler that can add unwanted apps, ads, browser extensions, and search changes.
RegAsm.exe: Safe or Malware?
RegAsm.exe is a legitimate Microsoft .NET tool, but malware can imitate or abuse it. Check the path, signature, command line, startup entries, and blocked...
What Is TextInputHost.exe?
TextInputHost.exe is usually a safe Microsoft Windows input process. Learn how to verify its path and signature, fix high GPU usage or system errors,...