GridinSoft Threat Intelligence

usb2ser.sys file report

Under review File reputation report
MD5 9955f303c20c4f58db6645c6248de1c8
Latest seen 2024-08-04 23:08:15 (2 years ago)
First seen 2017-11-03 02:08:43 (8 years ago)
Size 156 KB
Publisher MBB
Product USB Modem/Serial Device Driver
Signed by NGO

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2017-11-03 02:08:43 (8 years ago); latest analysis 2024-08-04 23:08:15 (2 years ago).

Publisher context

Company metadata: MBB. Product metadata: USB Modem/Serial Device Driver.

Digital signature

Signed by NGO. 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.

File context

usb2ser.sys is a Windows file recorded in the ThreatInfo database. It is associated with USB Modem/Serial Device Driver. The reported company name is MBB. The current detection status is Undefined, based on the latest analysis from 2024-08-04 23:08:15 (2 years ago).

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.

File Details

Product Name: USB Modem/Serial Device Driver
Company Name: MBB
MD5: 9955f303c20c4f58db6645c6248de1c8
Size: 156 KB
First Published: 2017-11-03 02:08:43 (8 years ago)
Latest Published: 2024-08-04 23:08:15 (2 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2024-08-04 23:08:15 (2 years ago)

Overview

Signed By: NGO
Status: Valid

The signature on usb2ser.sys 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.

Common Places:

%system%\drivers
%commonappdata%\reviversoft\pc reviver\s-1-5-21-756025183-561152036-2042621260-1001\driver updater\unplugged drivers\vvncxfzjrf8wrthejlbjrf8ymdawjljfvl8wmtaw
%localappdata%\slimware utilities inc\slimdrivers\backups\20180323t020740512881\usb
%commonappdata%\winzip\winzip driver updater\unplugged drivers\vvncxfzjrf8wrthejlbjrf8ymdawjljfvl8wmtaw
%commonappdata%\reviversoft\driver reviver\unplugged drivers\vvncxfzjrf8wrthejlbjrf8ymdawjljfvl8wmtaw
%commonappdata%\simplestar\simple pc optimizer\s-1-5-21-2618896891-2293078288-1513731404-1001\driver updater\unplugged drivers\vvncxfzjrf8wrthejlbjrf8ymdawjljfvl8wmtaw

ThreatInfo has observed usb2ser.sys 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 usb2ser.sys across 6 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country Canada
Share 28.6%
Low High activity

The strongest geographic signal for this file is Canada with 28.6% 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 57.1%
Windows 7 42.9%

The most common operating system signal for usb2ser.sys is Windows 10 with 57.1% 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

usb2ser.sys 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 0x000219e4
Image base 0x0000000000010000

PE Sections:

Sections 8
Raw data 140544

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

.text 128128 bytes · 91.2% of section data
MD5 356e25e1b7baafde22dbd3894fdb7830
.rdata 3840 bytes · 2.7% of section data
MD5 c7972436d1aff91c3ca78664eb14645a
.data 512 bytes · 0.4% of section data
MD5 2d82d0de5f58117d862c84ce39aa392e
.pdata 3200 bytes · 2.3% of section data
MD5 fd21b3fbbedcb0801ec6514689f0e922
PAGE 1024 bytes · 0.7% of section data
Uncommon name
MD5 32f4bfe8acf483204de9ce04aac20724
INIT 2688 bytes · 1.9% of section data
Uncommon name
MD5 fb99b0ba0632e74be8d2e91c247dc5f7
.rsrc 1024 bytes · 0.7% of section data
MD5 e5e58805309ad80fc03c5e0f6089a6a8
.reloc 128 bytes · 0.1% of section data
MD5 6acd6ff619a02bc776eb57e24f2fe012

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 9955f303c20c4f58db6645c6248de1c8.
  • 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.