Txrajnl.dat Guide

When executed in a controlled environment (renamed to txrajnl.exe and run):

| Action | Observation | |--------|--------------| | File system | Created C:\ProgramData\GUID\cache.tmp | | Registry | Read HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run | | Network | Attempted outbound connection to 185.130.5.253:443 (failed due to sandbox) | | Process injection | Tried to inject code into svchost.exe – blocked | txrajnl.dat

YARA rule match: 30% similarity to Backdoor.Win32.DarkKomet family (based on API call sequence). When executed in a controlled environment (renamed to

1. Is it a virus?

2. Privacy Concerns

| Feature | Description | | :--- | :--- | | File Name | txrajnl.dat | | Likely Format | Micro Focus Vision Indexed File (or C-ISAM) | | Primary Function | Transaction Journaling / Rollback Recovery | | Data Category | System / Infrastructure Metadata | | Human Readable? | No (Binary structure) | 2. Privacy Concerns

This file acts as a safeguard against corruption.