GridinSoft Threat Intelligence

FastSRV.exe file report

Under review File reputation report
MD5 5d766fc9ae1bdc437a5e5bfc1671705a
Latest seen 2021-12-18 21:53:26 (4 years ago)
First seen 2019-10-10 07:55:04 (6 years ago)
Size 81 KB
Signed by Fast Corporate LTD

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Category context

Programs that inject advertising, change browser behavior, or monetize traffic through bundled components. Related Adware reports help compare this file with nearby detections, publishers, and hashes.

Timeline

First seen 2019-10-10 07:55:04 (6 years ago); latest analysis 2021-12-18 21:53:26 (4 years ago).

Digital signature

Signed by Fast Corporate LTD. 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. Use the hash and metadata below to verify the exact file identity.
  2. Review publisher, signature, paths, and PE details for inconsistencies.
  3. Run a local scan if the file appears unexpectedly or starts with Windows.

FastSRV.exe is a Windows file recorded in the ThreatInfo database. The current detection status is Undefined, based on the latest analysis from 2021-12-18 21:53:26 (4 years ago). ThreatInfo groups this verdict with Adware reports for broader family-level investigation.

ThreatInfo does not have a final classification for this file yet. Use the technical details below to compare the hash, size, signature, and observed locations with the copy found on your device.

MD5: 5d766fc9ae1bdc437a5e5bfc1671705a
Size: 81 KB
First Published: 2019-10-10 07:55:04 (6 years ago)
Latest Published: 2021-12-18 21:53:26 (4 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2021-12-18 21:53:26 (4 years ago)
Signed By: Fast Corporate LTD
Status: Valid

The signature on FastSRV.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.

%programfiles%

ThreatInfo has observed FastSRV.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 84.6%
Windows 8 15.4%

The most common operating system signal for FastSRV.exe is Windows 10 with 84.6% 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.

FastSRV.exe is identified as pe for 32-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 32-bit
Subsystem Windows CUI
Entry point 0x00001d33
Image base 0x00400000

PE Sections:

Sections 5
Raw data 76288

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

.text 45568 bytes · 59.7% of section data
MD5 83cd4987a2baaa3c80a77079c372c565
.rdata 21504 bytes · 28.2% of section data
MD5 7b6d305b15a9802636e4ed4947c9eb42
.data 4608 bytes · 6.0% of section data
MD5 c34b4b722dce7bb9e00c96827d2517db
.rsrc 512 bytes · 0.7% of section data
MD5 2c9bc3c453765c5a8e37ea178e81aa1b
.reloc 4096 bytes · 5.4% of section data
MD5 fc393fd251ad2d31293d8490f22f191e

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

This file is still under review

ThreatInfo has not assigned a final verdict yet. Compare the file hash, location, signature, and publisher before trusting the file on a production system.

Scan with GridinSoft Anti-Malware Use a local scan if the file origin or behavior is unclear. Check this hash on VirusTotal

Recommended next steps

  • Compare the local file MD5 with 5d766fc9ae1bdc437a5e5bfc1671705a.
  • Check the file path, publisher, and signature against the details in this report.
  • Run a GridinSoft scan if the source, path, or behavior looks unusual. Use the Adware category to compare similar reports.