GridinSoft Threat Intelligence

MicrosoftHost.exe threat report

Detected as Trojan.CoinMiner File reputation report
MD5 807cb8a4b3119ec618f5ff858411c7bb
Latest seen 2026-05-26 12:00:40 (a day ago)
First seen 2026-05-15 11:01:02 (2 weeks ago)
Size 6 MB
Publisher Microsoft Corporation
Product Microsoft® Windows® Operating System

GridinSoft Anti-Malware detection

Detected by GridinSoft before you download

The current ThreatInfo record shows this exact file hash detected as Trojan.CoinMiner. 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.CoinMiner
Recommended action
Scan and remove
Last analysis
2026-05-26 12:00:40 (a day ago)
File hash
807cb8a4b3119ec618f5ff858411c7bb
Download Anti-Malware

Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as Trojan.CoinMiner, part of the Trojan threat category.

Category context

Malware disguised as legitimate software or delivered through deceptive packaging. Related Trojan reports help compare this file with nearby detections, publishers, and hashes.

Timeline

First seen 2026-05-15 11:01:02 (2 weeks ago); latest analysis 2026-05-26 12:00:40 (a day ago).

Publisher context

Company metadata: Microsoft Corporation. Product metadata: Microsoft® Windows® Operating System.

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. Review the Trojan category for related samples and common context.

File context

MicrosoftHost.exe is a Windows file recorded in the ThreatInfo database. It is associated with Microsoft® Windows® Operating System. The reported company name is Microsoft Corporation. The current detection status is Trojan.CoinMiner, based on the latest analysis from 2026-05-26 12:00:40 (a day ago). ThreatInfo groups this verdict with Trojan reports for broader family-level investigation.

If MicrosoftHost.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.CoinMiner.

File Details

Product Name: Microsoft® Windows® Operating System
Company Name: Microsoft Corporation
MD5: 807cb8a4b3119ec618f5ff858411c7bb
Size: 6 MB
First Published: 2026-05-15 11:01:02 (2 weeks ago)
Latest Published: 2026-05-26 12:00:40 (a day ago)
Status: Trojan.CoinMiner (on last analysis)
Analysis Date: 2026-05-26 12:00:40 (a day ago)

Detection screenshot

MicrosoftHost.exe detection screenshot

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.

Common Places:

%commonappdata%

ThreatInfo has observed MicrosoftHost.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.

Geographic signal

Observed country distribution

ThreatInfo has seen MicrosoftHost.exe across 1 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country Brazil
Share 100.0%
Low High activity

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

OS Version:

Windows 10 100.0%

The most common operating system signal for MicrosoftHost.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

MicrosoftHost.exe is identified as pe for 64-bit systems. The subsystem is Windows CUI. PE header values are useful for triage, especially when they do not match the expected publisher, product, or release timeline.

Format pe
Architecture 64-bit
Subsystem Windows CUI
Entry point 0x0041d8ec
Image base 0x0000000140000000

PE Sections:

Sections 10
Raw data 6725632

Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.

.text 4567552 bytes · 67.9% of section data
MD5 123c21d8243e291819c90da977582506
.rdata 1778176 bytes · 26.4% of section data
MD5 22ffa49ecdbc3d5553a0d04d1f874066
.data 72704 bytes · 1.1% of section data
MD5 f8079c0827806f1653c2cd58b338106c
.pdata 176128 bytes · 2.6% of section data
MD5 70de1d6dda60dac4cfc9c7d2a9159ab1
_RANDOMX 4608 bytes · 0.1% of section data
Uncommon name
MD5 bdb52e99f5c5533a69a7a25ed57748a6
_TEXT_CN 10240 bytes · 0.2% of section data
Uncommon name
MD5 afea7882aa31e5987db2f12b8933de56
_TEXT_CN 4608 bytes · 0.1% of section data
Uncommon name
MD5 409bf3f918f2402291cb56c2e9354b47
.fptable 512 bytes · 0.0% of section data
Uncommon name
MD5 bf619eac0cdf3f68d496ea9344137e8b
.rsrc 64000 bytes · 1.0% of section data
MD5 c87ec5aff49f4e12cc6f2881533f245b
.reloc 47104 bytes · 0.7% of section data
MD5 630f4f9e5db78f4dbac87d5e34aa611f

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.

Report conclusion

GridinSoft detects this file as Trojan.CoinMiner

This report identifies MicrosoftHost.exe by MD5 807cb8a4b3119ec618f5ff858411c7bb. It is part of the Trojan report group. If the same file is present on your device, scan the system and remove the detected object after confirming the hash and location.

Download GridinSoft Anti-Malware Scan the device and confirm whether this exact hash is present. Check this hash on VirusTotal

Recommended next steps

  • Compare the local file MD5 with 807cb8a4b3119ec618f5ff858411c7bb.
  • Check the file path, publisher, and signature against the details in this report.
  • Run a GridinSoft scan and remove the object if the same hash is found. Use the Trojan category to compare similar reports.