GridinSoft Threat Intelligence

Microsoft® Windows® Operating System threat report

Detected as Trojan.Generic File reputation report
MD5 dc90fbc723ea3634c11148b11cd2a661
Latest seen 2026-05-24 22:00:17 (3 days ago)
First seen 2026-05-24 22:00:17 (3 days ago)
Size 12 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.Generic. 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.Generic
Recommended action
Scan and remove
Last analysis
2026-05-24 22:00:17 (3 days ago)
File hash
dc90fbc723ea3634c11148b11cd2a661
Download Anti-Malware

Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as Trojan.Generic, 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 2026-05-24 22:00:17 (3 days ago); latest analysis 2026-05-24 22:00:17 (3 days 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

Microsoft® Windows® Operating System 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.Generic, based on the latest analysis from 2026-05-24 22:00:17 (3 days ago). ThreatInfo groups this verdict with Trojan reports for broader family-level investigation.

If Microsoft® Windows® Operating System 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.Generic.

File Details

Product Name: Microsoft® Windows® Operating System
Company Name: Microsoft Corporation
MD5: dc90fbc723ea3634c11148b11cd2a661
Size: 12 MB
First Published: 2026-05-24 22:00:17 (3 days ago)
Latest Published: 2026-05-24 22:00:17 (3 days ago)
Status: Trojan.Generic (on last analysis)
Analysis Date: 2026-05-24 22:00:17 (3 days ago)

Detection screenshot

Microsoft® Windows® Operating System 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%\dell\saremediation\systemrepair\snapshots

ThreatInfo has observed Microsoft® Windows® Operating System 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 Microsoft® Windows® Operating System across 1 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country United States
Share 100.0%
Low High activity

The strongest geographic signal for this file is United States 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 Microsoft® Windows® Operating System 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

Microsoft® Windows® Operating System is identified as pe for 64-bit systems. The subsystem is Native. 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 Native
Entry point 0x00b4a3e0
Image base 0x0000000140000000

PE Sections:

Sections 36
Raw data 13017088

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

.rdata 905216 bytes · 7.0% of section data
MD5 0481ff5d2d83f59cec8e741016a21e58
.pdata 454656 bytes · 3.5% of section data
MD5 46c5a0e71076d27a7684d659777af5cb
.idata 12288 bytes · 0.1% of section data
MD5 eaf19ededb06bc8cea2e55dbc87e28e4
.edata 114688 bytes · 0.9% of section data
MD5 ee10b3d561d5596b55c5c41e067666fe
PROTDATA 4096 bytes · 0.0% of section data
Uncommon name
MD5 620f0b67a91f7f74151bc5be745b7110
GFIDS 45056 bytes · 0.3% of section data
Uncommon name
MD5 740d826d8f94f35432f8afeddb5a81af
Pad1 0 bytes · 0.0% of section data
Uncommon name
MD5 d41d8cd98f00b204e9800998ecf8427e
.text 5193728 bytes · 39.9% of section data
Large raw data
MD5 2b9d131d3d9d00e3345e766468cf3167
PAGE 4546560 bytes · 34.9% of section data
Uncommon name
MD5 c97862cf8e8e403cd6aaf43767d5a1d4
PAGELK 159744 bytes · 1.2% of section data
Uncommon name
MD5 29e53e339961727c66ecf63bd5edb8ce
POOLCODE 12288 bytes · 0.1% of section data
Uncommon name
MD5 425781d16b0749797d56d585f28f2b5e
PAGEKD 24576 bytes · 0.2% of section data
Uncommon name
MD5 bd408c3104699b81cf9091a0a3cbe54d
PAGEVRFY 204800 bytes · 1.6% of section data
Uncommon name
MD5 f41d2944bc725e68e73881689f07c0ce
PAGEHDLS 12288 bytes · 0.1% of section data
Uncommon name
MD5 35262368490c676751102fffac5db91b
PAGEBGFX 28672 bytes · 0.2% of section data
Uncommon name
MD5 13c5ec8fd4026f2dc86e98987838df32
TRACESUP 8192 bytes · 0.1% of section data
Uncommon name
MD5 b6f85914a103b55a76d4b2962234f634
PAGECMRC 8192 bytes · 0.1% of section data
Uncommon name
MD5 9703c72629402408a811b86081f54483
KVASCODE 12288 bytes · 0.1% of section data
Uncommon name
MD5 6f37740e956af202de8c6949835f3f09
KSCP 4096 bytes · 0.0% of section data
Uncommon name
MD5 31e365e9a4e4ba3025951b2edd539630
DRVPRX 4096 bytes · 0.0% of section data
Uncommon name
MD5 cd7e55f9e816ea776f4f8a196e90502c
fothk 4096 bytes · 0.0% of section data
Uncommon name
MD5 87220ecfaef714b7d593d9ac2b929368
INITKDBG 106496 bytes · 0.8% of section data
Uncommon name
MD5 7e1c45c1b14570d58f6232ef485b6569
MINIEX 12288 bytes · 0.1% of section data
Uncommon name
MD5 bcefe019bafc6fbcf3e31c3620535227
INIT 667648 bytes · 5.1% of section data
Uncommon name
MD5 598c857aab82913d9d8a0ea86e875bf0
Pad2 0 bytes · 0.0% of section data
Uncommon name
MD5 d41d8cd98f00b204e9800998ecf8427e
.data 65536 bytes · 0.5% of section data
MD5 aec1bbde20143834ebd180465878f07c
ALMOSTRO 8192 bytes · 0.1% of section data
Uncommon name
MD5 dab0815ba38562f4f22f18de6bd8b7fd
CACHEALI 4096 bytes · 0.0% of section data
Uncommon name
MD5 dc3ad255b5613af42796525d39f7e7aa
PAGEDATA 8192 bytes · 0.1% of section data
Uncommon name
MD5 a2ee6a30102b370f2f9f379297f8e0fa
PAGEVRFD 40960 bytes · 0.3% of section data
Uncommon name
MD5 519ed616edc4f4ba44234ee9087850de
INITDATA 4096 bytes · 0.0% of section data
Uncommon name
MD5 e082cb2b2017605ee9c7bd7637d6794a
Pad3 0 bytes · 0.0% of section data
Uncommon name
MD5 d41d8cd98f00b204e9800998ecf8427e
CFGRO 12288 bytes · 0.1% of section data
Uncommon name
MD5 55055e37a9d38d42301090084f744724
Pad4 0 bytes · 0.0% of section data
Uncommon name
MD5 d41d8cd98f00b204e9800998ecf8427e
.rsrc 233472 bytes · 1.8% of section data
MD5 bab9579844100783888673437caee610
.reloc 94208 bytes · 0.7% of section data
MD5 6a231c3db2d76c24e5e49d840248b135

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.Generic

This report identifies Microsoft® Windows® Operating System by MD5 dc90fbc723ea3634c11148b11cd2a661. 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 dc90fbc723ea3634c11148b11cd2a661.
  • 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.