Gridinsoft Security Lab

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…

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. Virus:Win32/Floxif.H Overview Virus:Win32/Floxif.H is a detection by Microsoft Defender that points to malware active in the system. In this…

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…

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…

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 more payloads. Let’s dive into this malicious program, understand how it works, and see how to remove it. What is Trojan:Win32/Znyonm? Trojan:Win32/Znyonm is a detection associated with backdoor malware, usually the one that uses deep obfuscation and anti-analysis techniques. In particular, this detection name appears with malware like GuLoader, Remcos RAT, and Pikabot. Others can also…

The “Internet Is A Dangerous Place” scam is a novel type of threatening email message that targets people with threats of intimidation and exposure. In this fraudulent email, the scammer claims to have obtained some compromising information and recordings. They further demand a ransom to prevent publishing the data to the public. Internet Is A Dangerous Place Scam Overview “Internet is a dangerous place”, or “Security status not satisfied” are both names of the same email scam campaign. It falls…

Cybercriminals appear to exploit Binance smart contracts as intermediary C2, preferring them over more classic hostings for them being impossible to take down. It is currently used to deploy infostealers, but potential application for such malignant purposes allows for working with pretty much any malware. Cybercriminals Use BSCs As C2 Infrastructure A new technique, coined EtherHiding, was described over half a year ago, in October 2023. Analysts noticed the shift in the networking patterns of a now-old scheme that tricks…

Trojan:Win32/Wacatac.H!ml is a detection of Microsoft Defender that may flag several different malware families. Once installed, it can deliver additional malicious payloads, manipulate system settings, and encrypt user data. On the other hand, it can sometimes be a false positive detection. Trojan:Win32/Wacatac.H!ml Overview Trojan:Win32/Wacatac.H!ml is a detection of Microsoft Defender that flags a wide range of malware, which share similar functionality. In particular, Wacatac.H!ml appears when there is a ransomware active in the system, or a dropper (loader) malware that…

PUA:Win32/Vigua.A is a universal detection name used by Microsoft Defender to detect potentially unwanted applications (PUAs). This is often associated with various system optimizers that have hidden functionality in addition to their stated functions. PUA:Win32/Vigua.A Overview PUA:Win32/Vigua.A is a generic detection associated with unwanted software positioned as a system optimizer. Usually, it falls under scareware definition – an app that finds many issues in the system and requires purchasing the full software version to fix them. Alternatively, such apps offer…

Sihost.exe is a crucial background process in Windows 11/10 that governs essential features like the context menu and action center. However, it can sometimes malfunction and disrupt system stability. In this article, we unravel the essence of Sihost.exe and equip you to eliminate troubles within your system. Sihost.exe – What is It? Windows has many background processes, each of which is responsible for something. The Sihost.exe process (Shell Infrastructure Host file) is a critical executable file that executes various system…

A heuristic virus is a term for malicious programs detected by heuristic analysis. This method flags potential threats by looking for abnormal activities, such as unusual network connections, file modifications, and process behavior. While heuristic detection can identify previously unknown malware, it is prone to false positives. What is Heuristic Virus? A heuristic virus is a term that users commonly apply to malicious programs detected by heuristic detection systems. Antivirus software uses heuristic analysis to detect new, previously unknown viruses…

The Malware world evolves constantly, and it would be reckless to ignore newcomers and their potential. Meduza Stealer appears to be a pretty potent stealer variant with its unique features and marketing model. Additionally, this malware may be considered a firstling of a new malware generation – one which breaks old geolocation filtering rules. What is Meduza Stealer? Meduza is an all-encompassing infostealer, which is somewhat similar to the old guard at a glance. However, well-known things such as Redline…