GridinSoft Threat Intelligence

UpdateInstaller.exe threat report

Detected as Trojan.Downloader File reputation report
MD5 e84d2cb48c4b18012dc978768942dc92
Latest seen 2026-01-25 23:01:11 (4 months ago)
First seen 2026-01-25 23:01:11 (4 months ago)
Size 415 KB
Publisher T. Wittrock

GridinSoft Anti-Malware detection

Detected by GridinSoft before you download

The current ThreatInfo record shows this exact file hash detected as Trojan.Downloader. 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.Downloader
Recommended action
Scan and remove
Last analysis
2026-01-25 23:01:11 (4 months ago)
File hash
e84d2cb48c4b18012dc978768942dc92
Download Anti-Malware

Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as Trojan.Downloader, 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 2026-01-25 23:01:11 (4 months ago); latest analysis 2026-01-25 23:01:11 (4 months ago).

Publisher context

Company metadata: T. Wittrock. Product metadata: WSUS Offline Update.

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.

UpdateInstaller.exe is a Windows file recorded in the ThreatInfo database. It is associated with WSUS Offline Update. The reported company name is T. Wittrock. The current detection status is Trojan.Downloader, based on the latest analysis from 2026-01-25 23:01:11 (4 months ago). ThreatInfo groups this verdict with Trojan reports for broader family-level investigation.

If UpdateInstaller.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.Downloader.

Product Name: WSUS Offline Update
Company Name: T. Wittrock
MD5: e84d2cb48c4b18012dc978768942dc92
Size: 415 KB
First Published: 2026-01-25 23:01:11 (4 months ago)
Latest Published: 2026-01-25 23:01:11 (4 months ago)
Status: Trojan.Downloader (on last analysis)
Analysis Date: 2026-01-25 23:01:11 (4 months ago)
UpdateInstaller.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.

%sysdrive%\enterprise a\users\ric_2\descargas\win repair\wsusoffline1122.zip\wsusoffline

ThreatInfo has observed UpdateInstaller.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.

Windows 10 100.0%

The most common operating system signal for UpdateInstaller.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.

UpdateInstaller.exe is identified as pe for 32-bit 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.

Format pe
Architecture 32-bit
Subsystem Windows GUI
Entry point 0x000ea000
Image base 0x00400000

PE Sections:

Sections 3
Raw data 424448

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

UPX0 0 bytes · 0.0% of section data
Packer marker Uncommon name
MD5 d41d8cd98f00b204e9800998ecf8427e
UPX1 353280 bytes · 83.2% of section data
Packer marker Uncommon name
MD5 8cbb45d08ecc558de5fd8bde0a6171f9
.rsrc 71168 bytes · 16.8% of section data
MD5 6e2223f709040be7b460484d735283c8

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.Downloader

This report identifies UpdateInstaller.exe by MD5 e84d2cb48c4b18012dc978768942dc92. 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 e84d2cb48c4b18012dc978768942dc92.
  • 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.