GridinSoft Threat Intelligence

csrss.exb file report

Clean record File reputation report
MD5 4e043fe41901f1ea1b0fccef3c077c56
Latest seen 2021-01-10 14:51:22 (5 years ago)
First seen 2018-01-16 19:07:42 (8 years ago)
Size 17 KB
Signed by Microsoft Windows Publisher

Why it matters

Evidence available for this file

Detection

Latest status is clean for this hash.

Timeline

First seen 2018-01-16 19:07:42 (8 years ago); latest analysis 2021-01-10 14:51:22 (5 years ago).

Digital signature

Signed by Microsoft Windows Publisher. ThreatInfo marks this publisher as trusted for this record.

Aliases

This hash has appeared under multiple file names, which can happen with repackaging, bundling, or deliberate renaming.

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. Confirm the hash and publisher match the expected software.
  2. Review the observed locations and signature information below.
  3. Rescan if the file was downloaded from an unknown source or appears in an unusual path.

File context

csrss.exb is a Windows file recorded in the ThreatInfo database. The current detection status is Clean, based on the latest analysis from 2021-01-10 14:51:22 (5 years ago).

This record is currently marked as clean, but file reputation can depend on the exact path, hash, and source. Compare the MD5 and publisher data below with the file on your system.

File Details

MD5: 4e043fe41901f1ea1b0fccef3c077c56
Size: 17 KB
First Published: 2018-01-16 19:07:42 (8 years ago)
Latest Published: 2021-01-10 14:51:22 (5 years ago)
Status: Clean (on last analysis)
Analysis Date: 2021-01-10 14:51:22 (5 years ago)

Overview

Signed By: Microsoft Windows Publisher
Status: Trusted Publisher

ThreatInfo marks this publisher as trusted for this record, but the file hash and source should still match the expected software distribution.

Common Places:

%system%
%commonappdata%\net protector\nposfile\2018-02-06_1631
%commonappdata%\net protector\nposfile\2018-04-04_2027
%commonappdata%\net protector\nposfile\2018-04-11_1700
%commonappdata%\net protector\nposfile\2018-04-04_2322
%commonappdata%\net protector\nposfile\2020-08-24_1822
%sysdrive%\zv\noexp
%commonappdata%\net protector\nposfile\2018-06-09_2308

ThreatInfo has observed csrss.exb 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.

File Names:

2 observed names
csrss.exe csrss.exb

This hash has been seen with multiple file names. Alternate names can appear when software is updated, copied between folders, packed by an installer, or deliberately renamed to avoid recognition. Compare the exact MD5 above before assuming two names refer to the same file.

Geographic signal

Observed country distribution

ThreatInfo has seen csrss.exb across 2 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country India
Share 75.0%
Low High activity

The strongest geographic signal for this file is India with 75.0% 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 csrss.exb 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

csrss.exb 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 0x00001000
Image base 0x0000000140000000

PE Sections:

Sections 6
Raw data 7680

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

.text 2048 bytes · 26.7% of section data
MD5 b3627c2e3e3d59c67b6c0472b2a55a5f
.rdata 2048 bytes · 26.7% of section data
MD5 d061cb3c111e911cfc0f3552b60233ca
.data 512 bytes · 6.7% of section data
MD5 ee8e428290ec42160c5e2a30f80215a5
.pdata 512 bytes · 6.7% of section data
MD5 aceb4bb4a4df05aad7409e6664e3add6
.rsrc 2048 bytes · 26.7% of section data
MD5 6913588f400f431044dd3184239aaa3b
.reloc 512 bytes · 6.7% of section data
MD5 32d64fd396673fa2bdf02e2fdb42b2ea

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 hash is currently recorded as clean

Use the MD5, publisher, signature, and observed paths in this report to verify that the file on your device is the same copy described here.

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 4e043fe41901f1ea1b0fccef3c077c56.
  • 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.