Gridinsoft Security Lab

Web Companion is an unwanted program works as a web protection tool. It appears unexpectedly, after the installation of a different program, and tries to make the user pay for a “premium” version. Questionable effectiveness and bloated results are what makes it not recommended to use. Pseudo-effective applications are not severely dangerous, but they can still make your user experience worse. In their operations, such apps can block some of the genuine files and sites. Moreover, they sometimes collect extensive…

PUA:Win32/MyWebSearch is a Microsoft Defender detection that refers to an unwanted browser modifier. This application adds add-ons and toolbars that in fact take control of the web browser, redirecting search queries and causing advertisements to appear. It usually spreads as add-on software in bundles and is often installed without the user’s explicit consent. PUA:Win32/MyWebSearch Overview PUA:Win32/MyWebSearch is a potentially unwanted application with browser hijacker elements that add extensions and toolbars to browsers. It replaces the current search engine and homepage…

Trojan:Win32/Tnega!MSR is a malicious program that functions to deliver other malware. It uses numerous anti-detection tricks and is often distributed as mods and cheats for popular games. Such threats are capable of delivering spyware, ransomware and pretty much any other malware. Trojan:Win32/Tnega!MSR Overview Trojan:Win32/Tnega!MSR is a Microsoft Defender detection that refers to malware that acts as a downloader. As the name suggests, such malware’s main task is to deliver additional malicious components to the infected device, i.e., payload. It may…

PUA:Win32/Presenoker is an adware designed to make money by showing intrusive advertisements and collecting data. This malware can take control of your web browser and send you to advertising pages. The majority of them will be questionable, without even a slight tint of relevance. It is often disguised as legitimate cracked software, driver finder, or tweaker. This malware can also steal some information. PUA:Win32/Presenoker Overview PUA:Win32/Presenoker is adware designed to generate revenue through intrusive advertisements. In addition to malvertising, it…

USB Shortcut Virus, is a malicious program that messes up with files on the disks. It is a rather old type of threat, that targets to mischief the user, rather than get any profit. There could be several ways to solve the issue – manual as well as with the use of specialized software. What is USB Shortcut Virus? USB Shortcut Virus is a type of malware that makes the data look as lost, turning all the files into shortcuts.…

Virus:Win32/Grenam.VA!MSR is a type of malware that can stealthily get into the system and establish remote connections. It allows attackers to access the system and remotely perform keylogging and information-gathering functions. This malware usually spreads through fake software downloads and on compromised websites. Viruses like Grenam can be disguised as legitimate software. The specific capabilities and behaviors of the malware may differ depending on the variant. However, it is commonly associated with the delivery of other malicious software, making it…

The UsoClient.exe process is one of the system components of the Windows operating system that is part of the Update Client. This process plays an important role in automatically managing the download and installation of system updates, but it can also raise questions for users for several reasons. First, UsoClient.exe can sometimes significantly load system resources. Second, the behavior of the process can be similar to the actions of malware. In this article, we will understand the functions of UsoClient.exe,…

Broom Cleaner is an unwanted program that at first glance seems to be a safe tool for cleaning and optimizing your computer. However, in reality, once installed, it performs unwanted changes to system settings, shows ads, or even installs additional unwanted programs. This can cause significant disruption to your computer and leak confidential information. Let’s see in practice whether this is the case. What is Broom Cleaner? Broom Cleaner is a potentially unwanted program (PUP) that is often distributed under…

The RegAsm.exe process is an important component of the Windows operating system associated with the .NET Framework. This utility is designed to register .NET assemblies in the Windows registry, allowing COM clients to call managed applications. Let’s analyze its functionality and see whether malware can abuse it. What is RegAsm.exe? RegAsm.exe (Assembly Registration Tool) is a command line utility that provides users and developers with the ability to register CLR (Common Language Runtime) assemblies in the Windows Registry. The main…

Virus:Win32/Expiro is a detection of Microsoft Defender that refers to a malware with backdoor capabilities. It allows attackers to control the compromised system, spy on it, install other malware, manipulate systems, and create botnets. This malware is distributed under the guise of legitimate software. Once the computer is infected, it can spread to other executable files on the system, complicating its removal. The specific behaviors and capabilities may vary depending on the variant. However, typical activities associated with this malware…

PC Accelerate is a questionable software that is presented as a useful utility designed to optimize your computer’s performance. In reality though, this software can do more harm than good. Installing such applications often leads to unintended consequences, from system slowdowns to serious security threats.

Virus:Win32/Floxif.H is a detection of a malicious program, though not a virus as you may suppose by its name. Malware like Floxif aims at delivering and install additional malicious payloads onto compromised systems. This malware uses different tactics to evade detection, such as compression and file replacement, also employing anti-analysis tricks. It is spread through software hacking tools and malicious adverts.