How To Remove tmp4AF4.tmp.vbs VBS/Agent.NHT ?
Contents
This type of infection spreads through removable media like USB key, SD cards, phones, GPS, tablets ..
Any USB device containing free disk space can be contaminated. tmp4AF4.tmp.vbs was detected by UsbFix, Anti-Malware Software for USB. The file was submitted to VirusTotal, a service that combines the detection of more than 40 antivirus engines.
Propagation scheme :
In (1) healthy USB support is plugged into an infected PC, where the infection is active. This will automatically create a copy of the malicious code (2) on the healthy USB support. Once the USB support healthy contaminated, it serves as a means of transport to the infection to infect a healthy PC (3).
To understand this type of infection, we invite you to read these Post: USB Virus General Description and
How to remove shortcut virus USB ?
How to remove tmp4AF4.tmp.vbs VBS/Agent.NHT ?
UsbFix helps you detect and remove common USB-borne infections (shortcut malware, autorun tricks, script-based threats) and cleans both your PC and connected removable drives.
- Download and run UsbFix (Windows).
- Plug in the infected USB drive(s) or external disk(s).
- Click Clean and let the tool finish.
- Restart the PC if UsbFix asks you to.
Not sure what you’re dealing with? See: USB Shortcut Virus · Autorun.inf · Disable Windows Script Host.
Information for : tmp4AF4.tmp.vbs VBS/Agent.NHT
Detection : VBS/Agent.NHT
Size : 29088 bytes.
File Type : text/plain
HASH MD5 : 283f32b901e56f9154c0e9f917f0727f
HASH SHA1 : 0359f9a0bcc392ad572b4bf927d03d4f64e46b61
HASH SHA256 : db6aa10607dcdaec2472cc8dab7f6631c59ca540156002c0745b54d87902aa69
VirusTotal Analys Report
This malware was submitted to VirusTotal, a service that combines engines of detections over 40 antivirus.
22 detection for 55 antivirus tested.
Associated signature:
Yes, this threat can be dangerous depending on its behavior: data theft, unwanted ads,
system slowdowns, or USB reinfection. The most important thing is to act quickly and avoid
plugging the USB drive into multiple computers before cleaning it.
Common signs include: missing files or folders, folders turned into shortcuts,
unknown files (e.g. autorun.inf), pop-ups opening automatically, or error messages when plugging in the device.
Helpful guide:
autorun.inf virus.
Disable AutoPlay/Autorun in Windows. This is one of the most common entry points for USB-based infections.
Follow this guide:
Enable / Disable AutoPlay
.
Some threats use scripts (VBS/JS) to relaunch automatically, spread via USB,
or download additional malware. To reduce this risk, you can disable Windows Script Host:
Disable Windows Script Host
.
The recommended method is to scan both the PC and the USB drive, remove the threat, then fix any changes
(shortcuts, hidden files, settings). Download the official tool here:
Download UsbFix.
Very often, yes. This symptom is typical of the USB Shortcut Virus.
See the full explanation and step-by-step fix here:
USB Shortcut Virus
.
For stronger protection: limit USB ports, control allowed devices, and block suspicious behavior.
Useful guides:
USBGuard
and BadUSB.
Avoid doing that. If the drive is infected, you may contaminate another computer.
First apply the safety steps (disable AutoPlay, scan, clean), then reconnect only when everything is clean.
✅ Useful resources:
Download UsbFix •
autorun.inf •
USB shortcuts •
USBGuard
BadUSB
FAQ – Frequently Asked Questions about: tmp4AF4.tmp.vbs – Remove VBS/Agent.NHT (VBS)
Is tmp4AF4.tmp.vbs – Remove VBS/Agent.NHT (VBS) dangerous?
How can I tell if my USB drive is infected?
What should I do first to prevent reinfection?
Why do I sometimes see scripts (.vbs / .js) related to this threat?
How can I remove tmp4AF4.tmp.vbs – Remove VBS/Agent.NHT (VBS) safely (without losing my files)?
If my folders became shortcuts, is it related?
How can I protect myself in the future from USB infections?
Can I plug the USB drive into another PC to test?