update.exe threat report

MD5 8be01ff6140cac35f3cc5521f513ec44
Latest seen 2023-03-17 23:09:41 (3 years ago)
First seen 2023-03-17 23:09:41 (3 years ago)
Size 31 MB
Publisher Facebook, Inc.
Product Messenger
Signed by Facebook, Inc.

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
2023-03-17 23:09:41 (3 years ago)
File hash
8be01ff6140cac35f3cc5521f513ec44
Download Anti-Malware

Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as Trojan.Downloader.

Timeline

First seen 2023-03-17 23:09:41 (3 years ago); latest analysis 2023-03-17 23:09:41 (3 years ago).

Publisher context

Company metadata: Facebook, Inc.. Product metadata: Messenger.

Digital signature

Signed by Facebook, Inc.. The signature is reported as valid, but signed files can still be bundled or abused.

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.

update.exe is a Windows file recorded in the ThreatInfo database. It is associated with Messenger. The reported company name is Facebook, Inc.. The current detection status is Trojan.Downloader, based on the latest analysis from 2023-03-17 23:09:41 (3 years ago).

If update.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: Messenger
Company Name: Facebook, Inc.
MD5: 8be01ff6140cac35f3cc5521f513ec44
Size: 31 MB
First Published: 2023-03-17 23:09:41 (3 years ago)
Latest Published: 2023-03-17 23:09:41 (3 years ago)
Status: Trojan.Downloader (on last analysis)
Analysis Date: 2023-03-17 23:09:41 (3 years ago)
update.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.

Signed By: Facebook, Inc.
Status: Valid

The signature on update.exe is reported as valid. A valid signature helps confirm publisher identity, but it does not automatically make the file safe if the installer was bundled, abused, or downloaded from an untrusted source.

%localappdata%\messenger-updater

ThreatInfo has observed update.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.

100.0%

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

Windows 10 100.0%

The most common operating system signal for update.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.

update.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.

Subsystem: Windows GUI
PE Type: pe
OS Bitness: 32
Image Base: 0x00400000
Entry Address: 0x0000338f

PE Sections:

Name Size of data MD5
.text 26624 7618d4c0cd8bb67ea9595b4266b3a91f
.rdata 5632 eecac1fed9cc6b447d50940d178404d8
.data 1536 db8f31a08a2242d80c29e1f9500c6527
.ndata 0 d41d8cd98f00b204e9800998ecf8427e
.rsrc 66560 7b815e1d5df2251a36ae128a75a1a95e

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.

More information: