HOLLOWGRAPH Malware Hides in Microsoft 365 Calendar Events
HOLLOWGRAPH uses Microsoft 365 calendar events dated 2050 for command-and-control and file theft. Check Graph activity, logAzure.txt, and DNS telemetry.
Gridinsoft security desk
Security Blog
Fresh malware news, scam explainers, removal guides, browser fixes, and field notes from the Gridinsoft research team. Start with the alert, then move to the fix.
Spirals Ransomware Encrypts Networks in Under 24 Hours
Symantec documented a Spirals ransomware attack that moved from an exposed IIS server to network-wide encryption in under…
Starland RAT Hides in Fake Zoom and WebEx Installers
Starland RAT hides in trojanized Zoom, WebEx, and other Windows installers. Check persistence, scan the PC, and secure…
Guides
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What Is aka.ms? Is It Safe? How to Check Microsoft Short Links
aka.ms is Microsoft’s short-link domain, but each alias still hides a destination. Learn how to check the exact host, reveal redirects, interpret…
Repair desk
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vgk.sys BSOD: Fix Riot Vanguard Crashes Safely
A vgk.sys BSOD usually points to Riot Vanguard, a driver conflict, or Intel instability—not malware. Verify the file and follow safe isolation…
Payment to Bank Details DOCX: Broken altChunk Lure Analysis
Static analysis of a suspicious Payment to Bank Details DOCX attachment with a broken altChunk/RTF import chain, missing payload part, and no proven callback.
Why Antivirus Flags Old Bookmarks and URL Shortcuts
Old Favorites and .url shortcuts can be flagged when saved sites become phishing, scam, or adware…
SF Express E-Invoice HTML Phishing Kit: Technical Analysis
A technical analysis of an SF Express e-invoice HTML attachment that steals email passwords through Telegram…
Runechat.com Scam: RuneScape Casino Phishing Warning
Runechat.com is flagged as phishing with a 3/100 trust score. Learn why not to log in,…
Echo.ac Malware? Echo Anti-Cheat and echo_driver.sys Safety Check
Is Echo.ac malware? Learn when Echo Anti-Cheat is legitimate, why echo_driver.sys needs verification, and what to…
SocGholish Malware: Fake Update Removal Guide
SocGholish, also called FakeUpdates, uses fake browser update prompts on compromised sites. Learn what to do…
Trojan.Malware.300983.susgen
Learn what Trojan.Malware.300983.susgen means in VirusTotal results, when it is likely a false positive, and when…
Behavior:Win32/BrowserKill.A!MTB: Meaning and Removal
Seeing Behavior:Win32/BrowserKill.A!MTB in Microsoft Defender? Learn what the alert means, what to check in cmd.exe and…
Neshta.Virus.FileInfector.DDS
Neshta.Virus.FileInfector.DDS is a file-infector alert. Learn what a Recycle Bin hit means, what to check, when…
Latest from every desk
Troubleshooting
Google “Signed Out for Your Protection” Warning: What to Do
Google signed you out and mentioned malware? Verify the warning, secure the account from…
Troubleshooting
SteamUnlocked Virus Removal: What to Do After a Download
Downloaded or ran a SteamUnlocked game? Match the cleanup to what happened, remove the…
Mobile Security
Marowhome.com Redirect on Infinix, Tecno, and itel: What to Do
Marowhome.com opens by itself on an Infinix, Tecno, or itel phone? See what is…
Troubleshooting
Windows Script Host “Can Not Find Script File” at Startup: Fix
Fix a Windows Script Host missing-file popup by tracing the startup entry or scheduled…
Troubleshooting
Microsoft Defender Offline Scan Not Working: No Restart or No Results
Fix a Microsoft Defender Offline scan that does not start, only restarts Windows, or…
Troubleshooting
“Operation Did Not Complete Successfully Because the File Contains a Virus or Potentially Unwanted Software”: Safe Fix
Error 225 or 0x800700E1 means Windows blocked a file as malware or potentially unwanted…
Troubleshooting
Proxy Server Keeps Turning On in Windows 11: Find What Enables It
Windows 11 proxy settings keep changing back? Trace Settings, WinHTTP, PAC/WPAD, policy, the listening…
Troubleshooting
Downloaded a Suspicious File but Didn’t Open It: Are You Safe?
Downloaded a suspicious file but did not open it? Learn how to judge the…
Tips & Tricks
How to Disable Incognito Mode in Chrome (Windows, Mac & Managed)
Disable Chrome Incognito mode with the correct Windows, Mac, Google Admin, or Family Link…
Tips & Tricks
Is XVideos Safe? Malware, Pop-Ups, and What to Do After a Click
Is XVideos safe? Learn what a visit, pop-up, notification, download, or login means and…
Tips & Tricks
Zambia Ministry Tender Scam: mmmd-gov.com.zm Is Not Official
Received a Zambia Ministry tender from mmmd-gov.com.zm? The domain, hidden PDF link, outdated law,…
Tips & Tricks
Antigravity language_server.exe Malware Warning: Safe to Restore?
Antigravity 2.3.1 language_server.exe hash verified. Check the source, path, version, SHA-256, and installer signature…