Trojan:BAT/Runner.AMS!MTB keeps showing up every few days.

C

CalypsoArt

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Windows 11

• Apr 14, 2026

• #1

I get a warning from MS Defender, I tell it to quarantine, the file, do a scan. Everything is ok. Then a few days later it shows up again, and I repeat. Thoughts?

 

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• OS

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oldschool

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Windows 11 Pro 25H2 26200.7840

• Apr 14, 2026

• #2

This is a very generic name for various types of malware and sometimes may be a false positive.

This webpage gives a solution for only one version: Remove Trojan:BAT/Runner.AMS!MTB [Virus Removal Guide]

You may want to open an issue for malware removal help at Windows Malware Removal Help & Support or Virus, Trojan, Spyware, and Malware Removal Help Forum

 

My Computer

System One

• OS

  Windows 11 Pro 25H2 26200.7840

  Computer type

  Laptop

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  Lenovo IdeaPad L340

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  Intel Core i3-8145U

  Memory

  16GB

  Hard Drives

  500 GB M2 1 TB HDD

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  400 MB

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  Chrome | Edge

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  Microsoft Defender | Block unknown executables | Various ASR rules enabled | Smart App Control

glasskuter

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Windows 11 Pro 25H2 26200.8655

• Apr 14, 2026

• #3

Remove Trojan:BAT/Runner.AMS!MTB [Virus Removal Guide]

This guide teaches you how to remove Trojan:BAT/Runner.AMS!MTB malware for free by following easy step-by-step instructions.

malwaretips.com

 

My Computers

System One System Two

• OS

  Windows 11 Pro 25H2 26200.8655

  Computer type

  PC/Desktop

  Manufacturer/Model

  Dell Optiplex 7080

  CPU

  i9-10900 10 core 20 threads

  Motherboard

  DELL 0J37VM

  Memory

  32 gb

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  none-Intel UHD Graphics 630

  Sound Card

  Integrated Realtek

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  Benq 27

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  2560x1440

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  2x1tb Solidigm m.2 nvme /External drives 512gb Samsung m.2 sata+2tb Kingston m2.nvme

  PSU

  500w

  Case

  MT

  Cooling

  Dell Premium

  Keyboard

  Logitech wired

  Mouse

  Logitech wireless

  Internet Speed

  so slow I'm too embarrassed to tell

  Browser

  #1 Edge #2 Firefox

  Antivirus

  Defender+MWB Premium

• Operating System

  Windows 11 Pro 24H2 26200.8457

  Computer type

  PC/Desktop

  Manufacturer/Model

  Beelink Mini PC SER5

  CPU

  AMD Ryzen 7 6800U

  Memory

  32 gb

  Graphics card(s)

  integrated

  Sound Card

  integrated

  Monitor(s) Displays

  Benq 27

  Screen Resolution

  2560x1440

  Hard Drives

  1TB Crucial nvme

  Keyboard

  Logitech wired

  Mouse

  Logitech wireless

  Internet Speed

  still too embarrassed to tell

  Browser

  Firefox

  Antivirus

  Defender

  Other Info

  System 3 is non compliant Dell 9020 i7-4770/24gb ram Win11 PRO 26200.8457