BigBear 2.0 Phishing: What to Do After Microsoft 365 MFA
BigBear 2.0 phishing can steal Microsoft 365 sessions after MFA. What to report, how to contain session access, and why authentication fallback matters.
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.
Defender Says It Is Turned Off: Verify Protection First
Microsoft confirms false Defender-off alerts. Check the active antivirus provider and read-only protection status before dismissing the message…
Packagist iPhone Spyware: Check iOS and the Website Theme
Malicious Packagist themes target older iPhones through streaming sites. Separate phone updates, account exposure and cleanup of deployed…
Guides
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Is PrimeWire Safe? Clones, Pop-Ups, and What to Do Next
Check PrimeWire, LetMeWatchThis and 1Channel clone risks. Find what to do after pop-ups, notifications, passwords, card details, or a player download.
Repair desk
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PingSender.exe After Firefox Closes: Is It Safe?
PingSender.exe can send Firefox telemetry after the browser closes. Check the file, review separate data-sharing controls, and investigate unusual activity.
How Malware Abused Paste.tc: XWorm, LimeRAT, and AsyncRAT Cases
A cross-case investigation of how AsyncRAT, LimeRAT, and XWorm used Paste.tc raw pages as C2 resolvers or PowerShell stages, with behavioral hunts and careful attribution boundaries.
Plushiefun.xyz PowerShell Chain Found Under HP Task Identities
Gridinsoft Labs observed plushiefun.xyz on nine endpoints where activity under Hewlett-Packard Diagnostics task identities led into…
Planet Search Chrome Extension: Is It Safe and How to Remove It
Planet Search can route Chrome searches through hidden intermediaries to Nextgeeker. Verify its ID, remove it,…
Rotating Names, Stable Loader: A Polymorphic CoinMiner Cluster on Chinese Windows Systems
Gridinsoft telemetry links 45 CoinMiner hashes across 34 Chinese Windows installations to rotating EXE names, signed…
OkoBot/TookPS: New C2 and GDrive Backup Sync Task
Gridinsoft Labs identifies 22tuk.digital as a new high-confidence TookPS/OkoBot callback and analyzes its encoded PowerShell launcher,…
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…
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,…
Latest from every desk
Troubleshooting
AppHostRegistrationVerifier.exe: Check a Firewall Alert
See what AppHostRegistrationVerifier.exe does, verify its Windows signature and network destination, and decide whether…
Security News
Manchester Airport Breach: Verify Parking Payment Requests
MAG bookings remain valid after its data breach. Verify parking payments, refunds and calls…
Security News
ReliaQuest Phishing: MFA Approved, Application Access Blocked
ReliaQuest says device trust blocked applications after a password and MFA approval were phished.…
Security News
inpoutx64 Game Crashes: Restart, Block or Ask IT?
Windows 11 inpoutx64 crashes need game-specific action. Check the ARC Raiders block, THE FINALS…
Security News
Ransom Busters Recovery Scam: What to Do After Contact
Ransom Busters offers paid help during ransomware incidents. Verify the sender, preserve evidence, and…
Security News
RedC2 npm Packages: Importing Can Infect a Linux Host
RedC2 starts a Linux backdoor when a poisoned npm package is imported. Check package…
Troubleshooting
LogiOptionsMgr.exe Crashes: Restore Your Mouse Buttons
Fix LogiOptionsMgr.exe crashes without losing mouse settings. Identify Options versus Options+, check file identity,…
Troubleshooting
igfxCUIService.exe: Intel Service, Crash Fix, or Malware?
Check whether igfxCUIService.exe belongs to Intel, trace driver crashes, and recognize the historical SysJoker…
Security News
MikroTrick RouterOS Attacks: Patch and Check Your Router
MikroTrick attacks chain two RouterOS flaws against routers with public SSH. Check fixed versions,…
Security News
REVSTEALER Malware: What to Do After It Runs
REVSTEALER steals browser, gaming, and wallet data, then may delete itself. Learn how to…
Security News
GEEKOM Driver Malware: Check the Legacy LAN Package
GEEKOM removed a malware-flagged installer from old LAN driver archives. Check the exact file…
Security News
Google Calendar Phishing: Fake DocuSign Leads to Remote Access
A real Google Calendar invite can hide a fake DocuSign viewer. Learn what to…