JoinServer.exe threat report

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Analyst brief

What this report says

GridinSoft Anti-Malware detects JoinServer.exe as Trojan.Heur!. The sample was last observed on 2025-02-07 23:01:24 (a year ago) and reports publisher metadata associated with MuEMU / MuEMU JoinServer.

This page combines the detection verdict with file identity, publisher metadata, alternate names, observed paths, geography, OS signals, and PE details so the report reads as a triage record rather than a standalone download page.

GridinSoft Anti-Malware detection

Detected by GridinSoft before you download

The current ThreatInfo record shows this exact file hash detected as Trojan.Heur!. Download GridinSoft Anti-Malware to scan the device, confirm whether this file is present, and remove the detected object if it is found.

Detection name

Trojan.Heur!

Recommended action

Scan and remove

Last analysis

2025-02-07 23:01:24 (a year ago)

File hash

812ea409f40682a83c432744c4c19e00

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Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as Trojan.Heur!.

Timeline

First seen 2025-02-07 23:01:24 (a year ago); latest analysis 2025-02-07 23:01:24 (a year ago).

Publisher context

Company metadata: MuEMU. Product metadata: MuEMU JoinServer.

Observed locations

ThreatInfo has seen this file in user or system paths listed below. Unexpected locations increase the need for local verification.

Recommended action

What to do next

1. Compare the MD5 above with the file found on the device.
2. Check whether the file appears in the observed locations or under one of the alternate names.
3. Run GridinSoft Anti-Malware to confirm the detection and remove the file if it is present.

JoinServer.exe is a Windows file recorded in the ThreatInfo database. It is associated with MuEMU JoinServer. The reported company name is MuEMU. The current detection status is Trojan.Heur!, based on the latest analysis from 2025-02-07 23:01:24 (a year ago).

If JoinServer.exe appears on your computer unexpectedly, treat it as suspicious. Check its location, digital signature, and recent system changes before allowing it to run. A full anti-malware scan is recommended when this file is detected as Trojan.Heur!.

File Details

The screenshot is a visual record of a GridinSoft Anti-Malware detection for this sample. Use the hash and metadata above as the primary identifiers when comparing the file on your system.

ThreatInfo has observed JoinServer.exe in the locations listed above. Files found in temporary folders, user profile folders, startup locations, or unusual application directories should be reviewed more carefully than files installed under a known program directory.

The strongest geographic signal for this file is Peru with 100.0% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

The most common operating system signal for JoinServer.exe is Windows 10 with 100.0% of observed hits. If your system differs from the common profile, check whether the file was introduced by a specific installer, archive, or removable device.

Analysis

JoinServer.exe is identified as pe for 32 systems. The subsystem is Windows GUI. PE header values are useful for triage, especially when they do not match the expected publisher, product, or release timeline.

PE section names and hashes can reveal packing, injected resources, or unusual build artifacts. Sections with uncommon names, very large raw data, or hashes that differ from a trusted copy deserve additional review.