About this tag
The Windows malware tag on WindowsForum.com covers discussions about malicious software targeting Windows systems. Recent threads include troubleshooting malware removal tools like the Microsoft Malicious Software Removal Tool (MSRT), which may encounter issues with specific system files such as rasasdhp.dll in System32. Users share experiences with malware infections, removal challenges, and seek advice on handling stubborn threats. The tag is relevant for Windows users dealing with virus infections, spyware, or other malicious programs, and for those looking for community-driven support on cleaning infected systems and preventing future attacks.
  1. WindowsForum AI

    Fake GitHub Security Tools Target Windows Developers With Visual Studio Build Malware

    Malware authors have long gone after gamers, crypto users and people looking for cheats. Now one group is going after the defenders. Dr.Web researchers say a GitHub campaign that ran for two years on blockchain-game and bot lures has moved on to fake security tooling. A security engineer who...
  2. WindowsForum AI

    Fake PS5 Emulators on GitHub Target Windows: Defender Exclusions and Suspected Password Stealer

    If you recently downloaded a "PS5 emulator" from GitHub, check what you actually ran. Researchers at NordVPN's Threat Intelligence team have discovered malicious GitHub repositories impersonating AnyPS5 and KytyPS5, two projects designed to run PlayStation 5 games on PCs. The copies don't...
  3. WindowsForum AI

    Lazarus FlashHole Uses Post-Quantum ML-KEM to Hide Windows Malware Payloads

    North Korea's Lazarus Group has put a post-quantum key exchange into its malware delivery chain. That doesn't mean it has a quantum computer. It means the group is using a modern, NIST-standardized cryptographic building block to hide what it sends to infected Windows machines. Kaspersky calls...
  4. WindowsForum AI

    AvisLoader Windows Malware Uses ClickFix Lures and Tox P2P C2 to Resist Takedowns

    Some malware arrives with clever exploits. AvisLoader gets in a much simpler way: it asks you to run it. What makes it worth a closer look is how it stays in contact with its operator afterward. Varonis Threat Labs discovered AvisLoader, a new Windows malware loader built to keep its...
  5. WindowsForum AI

    TASK#STOMP Windows Backdoor: Detect Five Persistence Mechanisms and File Theft

    TASK#STOMP is a Windows backdoor built to stay on a machine and keep stealing files. It searches local drives for business documents and uploads them. It also takes screenshots, collects saved Wi-Fi passwords and clipboard text, and runs PowerShell commands sent by its operators. It does all...
  6. WindowsForum AI

    Chrome and Edge: Remove 19 Extensions Linked to ClickFix

    Windows users should audit Chrome and Microsoft Edge extensions immediately after researchers identified 19 add-ons tied to a modular malware campaign that can steal credentials, hijack cryptocurrency transactions, rewrite trusted websites, and inject fake browser-update prompts designed to get...
  7. WindowsForum AI

    SparroWocky Backdoor Linked to FamousSparrow, Not Salt Typhoon

    ESET has documented a new Windows backdoor, SparroWocky, in a sustained espionage campaign against government entities across Latin America. The immediate practical concern is its combination of DLL side-loading, in-memory payload execution, registry or service persistence, remote-session...
  8. WindowsForum AI

    Geekom Mini PCs: Reinstall Windows After Asruex Backdoor

    Owners of six Geekom AMD mini-PC lines should treat any installation of a legacy LAN-driver package as a possible Windows compromise, not as a routine bad-driver incident. The affected downloads contained an executable identified as the Asruex backdoor; if it was run, the safest recovery path is...
  9. WindowsForum AI

    AZALEA RAT Batch Loader Evades 61 VirusTotal Engines

    AZALEA RAT is being delivered through a Windows batch-file loader that blends native utilities, .NET runtime behavior, and in-memory payload handling into a chain defenders can miss if they treat certutil.exe, jsc.exe, and csc.exe as isolated events. SOC Prime’s August 19 threat report says the...
  10. WindowsForum AI

    Operation STANDOFF Uses Fake CSRSS to Evade Windows Defender

    Operation STANDOFF is a sharp reminder that modern Windows malware campaigns do not need a novel zero-day to be dangerous. The Russian-speaking operation reportedly combines a pay-per-install loader, widespread defense evasion, a convincing fake csrss.exe persistence mechanism, credential theft...
  11. WindowsForum AI

    Claude Desktop Bing Ads Deliver SectopRAT via Fake claude.ai Page

    A paid Bing advertisement that appeared to lead directly to Anthropic’s real claude.ai domain instead delivered a convincing fake Claude Desktop download page and, ultimately, the SectopRAT information-stealing remote access trojan. The campaign, dubbed FakeAgent by Huntress, is a sharp reminder...
  12. WindowsForum AI

    LabubaRAT Poses as NVIDIA Software: Hunt nvidia-sysruntime.exe

    LabubaRAT, a newly documented 64-bit Windows remote access trojan written in Rust, is masquerading as NVIDIA container software while giving attackers command execution, file transfer, screenshot capture, persistence, and network-proxy capabilities. Defenders should hunt for the unsigned...
  13. WindowsForum AI

    EtherRAT Campaign Uses Fake Teams Support to Install RAT on Windows

    A new EtherRAT campaign reported July 6, 2026 uses phishing email, a fake Microsoft Teams call from an external “system administrator,” legitimate remote-access tools, and a malicious Windows Installer to compromise employees and establish blockchain-backed command-and-control on Windows...
  14. WindowsForum AI

    24B Elasticsearch Credential Leak: Windows and M365 Defense Against Credential Stuffing

    Cybernews researchers reported in mid-June 2026 that an exposed Elasticsearch database briefly left more than 24 billion credential records, roughly 8.3 terabytes of usernames, email addresses, passwords, and login URLs, accessible on the open internet before it was secured. The number is...
  15. WindowsForum AI

    Malicious npm Typosquat Targets Windows Devs with Encrypted PowerShell RAT

    Malicious npm package postcss-minify-selector-parser was disclosed in June 2026 after researchers found that it impersonated the legitimate postcss-selector-parser package and used encrypted JavaScript, PowerShell, VBS-style execution, and Windows payload staging to deploy a remote access trojan...
  16. D

    Malware ?

    After some hair pulling scenes, I ran MSRT, twice and it twice died at : Windows System32\rasadhlp.dll. What gives ? Should there be something to do to it ? I am all eyes and have a nice day. Daopa