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.

305 lab records

Latest note ·

Usermode Font Driver Host / UMFD-0: Safe or Malware?

Usermode Font Driver Host is fontdrvhost.exe. Learn when UMFD-0 or Temp.font driver host is normal, how to verify System32 and Microsoft signature, and how to fix high CPU or memory.

Field note ·

What Is OmApSvcBroker.exe?

What is OmApSvcBroker.exe? OmApSvcBroker.exe is usually an MSI Center, MSI Dragon Center, or MSI NBFoundation Service...

Research log

01

Program:Win32/Uwamson.A!ml

Record ·

Win32/Uwamson.A!ml is a specific name of a Microsoft Defender detection. This designation indicates that the suspicious program or file scanned by the antivirus has...

02

PUABundler:Win32/MemuPlay: What It Is and Removal

Record ·

PUABundler:Win32/MemuPlay is a Microsoft Defender detection that should be judged by the affected file path, source, signature, and behavior, not by the name alone....

05

Pornographic Virus Alert From Microsoft

Record ·

The Pornographic Virus Alert from Microsoft is a fake tech support warning. Do not call the number: close the browser, block the site, remove...

08

Universal Browser

Record ·

Universal Browser is a name of a browser that users spectate in a strange update window that pops up in the system, occasionally reporting...

11

Adaware Web Companion: Is It Safe or a PUA?

Record ·

Adaware Web Companion is often unwanted. Learn how to uninstall it, check WCAssistantService, browser extensions, startup entries, and bundled PUA leftovers.

13

Broom Cleaner App (Virus Removal)

Record ·

Broom Cleaner is an unwanted program that at first glance seems to be a safe tool for cleaning and optimizing your computer. However, in...

14

PC Accelerate Pro Removal Guide

Record ·

PC Accelerate Pro is a fake optimizer and potentially unwanted app. Learn how to remove it, stop popups, clean leftovers, and prevent similar bundled...

16

Walliant App

Record ·

The Walliant application is a Potentially Unwanted Application (PUA). It is promoted as an app that automatically changes desktop wallpapers. Though it in fact...

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