Gridinsoft Security Lab

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.

The HxTsr.exe process is a part of the Microsoft Outlook Communications component of the Windows 10/11 operating system. This process is responsible for synchronizing mail, contacts, and calendars between Outlook and other applications. Typically, it runs in the background and does not attract users’ attention at all. However, in some cases, the HxTsr.exe process may be responsible for performance issues, security, or system stability. It is possible that this process is tampered or infected with a virus that uses its…

PUA:Win32/Caypnamer.A!ml is a detection used by Microsoft’s Defender that identifies files or processes exhibiting suspicious characteristics. It is typically associated with Potentially Unwanted Applications (PUAs). Although PUAs are not considered malware as they do not directly cause harm to the system, their presence may pose a potential security risk. Frequently, this detection appears after the use of cracked software, keygen tools, trainers, cheat engines, and software programs that change the behavior of other applications. Using such tools is often illegal…

URL:Scam is a generic detection name of a dangerous website, that appears in several antivirus engines. It may appear during routine Internet browsing, as well as pop-up after opening a link from a document or a chat. This detection may refer to a wide variety of unsafe websites, as well as be a false positive detection.

HackTool:Win32/Crack is related to hacking tools for bypassing license verification. These are often activators of Windows, MS Office, and other proprietary software. Contrary to the widespread belief that such tools are safe, they can carry a threat. The most popular sources of such hacking tools are torrent distributions and websites with hacked software. Let me explain, what hacked software is, what risks its use entails, and whether it is profitable to use it compared to licensed software. What is HackTool:Win32/Crack…

The Walliant application is a Potentially Unwanted Application (PUA). It is promoted as an app that automatically changes desktop wallpapers. Though it in fact has hidden functionality: hijacking your bandwidth, it works as proxyware. This can eventually lead to rather unpleasant consequences. This unwanted app has a website that allows users to download it. However, in most cases, users do not install it purposefully. This application most commonly arrives as additional software in bundles. What is Walliant App? Walliant is…

Over the last four years, the share of script-based attacks of malware offenses worldwide has grown so drastically that it raised alerts among security specialists and ordinary users. In this post, we shall regard script-based malware, assess its strengths and weaknesses, explain how the attacks happen, and suggest measures to maintain security in your workgroup. What is script-based malware? To understand how someone can run a script-based attack on a computer, we must know what scripts are. They are sets…

Stopabit is an unwanted application that can steal sensitive data. One of its primary functions involves browser hijacking, enabling it to intercept and collect sensitive input data, focusing on capturing passwords. The most visible sign of its activity is the changed browser search engine and start page and numerous advertisements on websites and in system notifications tray. This malware is commonly disseminated through illicit channels, including pirated software, game mods and similar software from questionable sources. Because of this, there…

SMApps is a malicious program that aims at spreading illegal promotions. It mainly attacks browsers by changing settings and redirecting search queries from Google to suspicious sites. Possible distribution methods are standard: malicious adverts and dodgy sites with hacked software. This malware uses different detection evasion, anti-analysis, and persistence tactics. Although primarily positioned as adware, it can deliver other adware-like applications and log keystrokes.