Cheat DetectionHighPublished

Trigger FiveM cheat masquerade (Rechner.exe)

Trigger is a FiveM cheat distributed as Rechner.exe — the German word for “calculator.” This masquerade targets German-speaking users who might recognise the name as innocent. The binary is identified by SHA-256 7078d61d9106cea38eeee6b495051473c5ec9cbba0a6eb399f5702ba576c9f79.

CR
Clubhouse AC Research June 2, 2026 7 min read

Summary

  • Masquerades as Rechner.exe — German for “calculator.” The Windows Calculator is calc.exe, not this name.
  • SHA-256 7078d61d9106cea38eeee6b495051473c5ec9cbba0a6eb399f5702ba576c9f79 for definitive identification.
  • Prefetch and PcaSVC records persist after execution and reveal the actual file path.

Overview

Trigger is a FiveM cheat that uses the filename Rechner.exe as a social engineering masquerade. “Rechner” is the German word for “calculator” — the intent is to appear innocuous to German-speaking users who might associate the name with a legitimate system utility. However, the legitimate Windows Calculator executable is named calc.exe (or CalculatorApp.exe in modern Windows). No legitimate Windows component uses the name Rechner.exe.

The Prefetch entry will reveal the actual execution path of the file, which is typically a non-system location (Downloads, Desktop, or a cheat-specific directory) rather than C:\Windows\System32.

Sample metadata (IOC)

Rechner.exe — file indicatorsIOC
Name        Rechner.exe
Masquerade  German "calculator" (legitimate: calc.exe)
Cheat name  Trigger

SHA-256     7078d61d9106cea38eeee6b495051473
            c5ec9cbba0a6eb399f5702ba576c9f79

Behavioral indicators

German-language calculator masquerade

The name Rechner.exe mimics a German system utility to avoid suspicion. Key differentiators from the legitimate Windows Calculator:

  • Legitimate Windows Calculator: calc.exe or CalculatorApp.exe in C:\Windows\System32
  • This cheat: Rechner.exe in a non-system path
  • No valid Microsoft Authenticode signature on the cheat binary

Execution path evidence

The Prefetch record will contain the full path from which Rechner.exe was executed. A path outside of C:\Windows\System32 immediately distinguishes this from any hypothetical legitimate use.

Screenshare check guide

1

Prefetch — Rechner.exe

  • Check C:\Windows\Prefetch for RECHNER.EXE-*.pf.
  • Examine the Prefetch entry's execution path. A path outside System32 confirms this is not the legitimate calculator.
2

File signature verification

  • If the file is present on disk, right-click → Properties → Digital Signatures.
  • The legitimate Windows Calculator is signed by Microsoft. An unsigned file or non-Microsoft signature is suspicious.
3

File hash verification

  • Compute the SHA-256 of the file.
  • Match against 7078d61d9106cea38eeee6b495051473c5ec9cbba0a6eb399f5702ba576c9f79.
4

PcaSVC / AppCompat entry

  • Inspect the AppCompat PcaSVC log for an entry referencing Rechner.exe from a non-system path.
5

Browser and Discord

  • Check browser history and downloads for references to Trigger cheat or Rechner downloads from non-Microsoft sources.

Detection summary

Artifact matrix — Trigger / Rechner.exeSummary
Artifact                          Survives cleanup?   Check location
──────────────────────────────────────────────────────────────────────────
PcaSVC entry                      Yes                 AppCompat / DPS log
Prefetch + execution path         Usually             C:\Windows\Prefetch
SHA-256 hash                      Yes (file on disk)  File system
Missing MS signature              Yes (file on disk)  File properties

Defensive material

All indicators and methodology documented here are published for server administrators, DFIR practitioners, and anti-cheat researchers. This material describes detection techniques only. For vulnerability disclosures or to contribute to the research corpus, contact security@clubhouseac.shop.