: It is often seen in the root directories of USB sticks or internal storage during firmware updates for smart TVs (like Hisense or LG), acting as a log for the upgrade process. The Human Interaction: Error and Utility For most users, txrajnl.dat
txrajnl.dat is a suspicious binary artifact with no benign known association. Its behavior in a sandbox (process injection, outbound connection attempt, high entropy) strongly suggests malicious intent or a highly customized tool. Without further reverse engineering or vendor identification, it should be treated as a potential threat. txrajnl.dat
It acts as a temporary journal or log file created by the device's operating system during read/write operations on storage media, particularly when updating firmware. : It is often seen in the root
: Users have reported it on Garmin Varia and Edge devices, where it can sometimes grow large enough (approx. 1MB) to cause firmware update errors by filling up device memory. Native Instruments (Maschine+) 1MB) to cause firmware update errors by filling
| Scenario | Verdict & Recommendation | | :--- | :--- | | | Safe to keep or delete. The file is a benign configuration file. Deleting it will only mean your TV creates a new one next time you back up your channels. | | Found on a USB drive from an unknown source, with no recent TV connection. | Proceed with caution. While the file itself is unlikely to be a virus, it could be a "herring." Run a full antivirus scan on the drive using trusted software like Windows Defender or Malwarebytes as a general precaution. If the scan is clean, the file is most likely harmless. | | Found on a Garmin device or Ruckus network switch. | Safe to leave in place. This is a system-generated file used by the device's operating system and can be ignored. | | The file is write-protected or cannot be deleted using normal methods. | Try DiskPart. If the file is stubborn, it's often a sign of file system corruption. Use the Windows diskpart command (run as administrator) with list disk , select disk X , and clean to reset the drive. WARNING: This will erase all data on the drive. | | Your USB drive shows odd behavior, files are missing or can't be accessed. | Scan for malware. The presence of $TXRAJNL.DAT may be coincidental. The actual issue is likely a different virus. Use a reliable antivirus to scan your computer and the USB drive. |
When exporting a television channel list to a USB drive on an LG Smart TV, the TV generates an empty directory alongside GlobalClone00001.TLL (the channel file) and $TXRAJNL.DAT .
The file is often hidden to protect it from accidental changes. To see it, you must configure Windows to show hidden and protected operating system files.