GridinSoft Threat Intelligence

csrss.exb file report

Clean record File reputation report
MD5 72565e7a0145e0657e586f6cf7696dc7
Latest seen 2021-01-12 20:41:05 (5 years ago)
First seen 2020-12-22 11:56:47 (5 years ago)
Size 17 KB
Publisher Microsoft Corporation
Product Microsoft® Windows® Operating System
Signed by Microsoft Windows Publisher

Why it matters

Evidence available for this file

Detection

Latest status is clean for this hash.

Timeline

First seen 2020-12-22 11:56:47 (5 years ago); latest analysis 2021-01-12 20:41:05 (5 years ago).

Publisher context

Company metadata: Microsoft Corporation. Product metadata: Microsoft® Windows® Operating System.

Digital signature

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

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. It is associated with Microsoft® Windows® Operating System. The reported company name is Microsoft Corporation. The current detection status is Clean, based on the latest analysis from 2021-01-12 20:41:05 (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

Product Name: Microsoft® Windows® Operating System
Company Name: Microsoft Corporation
MD5: 72565e7a0145e0657e586f6cf7696dc7
Size: 17 KB
First Published: 2020-12-22 11:56:47 (5 years ago)
Latest Published: 2021-01-12 20:41:05 (5 years ago)
Status: Clean (on last analysis)
Analysis Date: 2021-01-12 20:41:05 (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:

%commonappdata%\net protector\nposfile\2020-12-09_0639
%commonappdata%\net protector\nposfile\2020-12-10_0633
%commonappdata%\net protector\nposfile\2020-12-22_0028
%sysdrive%\zv\noexp
%commonappdata%\net protector\nposfile\2020-12-02_1213
%commonappdata%\net protector\nposfile\2020-11-12_1101
%commonappdata%\net protector\nposfile\2020-12-11_1200
%commonappdata%\net protector\nposfile\2021-01-08_0548

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.

Geographic signal

Observed country distribution

ThreatInfo has seen csrss.exb across 1 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country India
Share 100.0%
Low High activity

The strongest geographic signal for this file is India with 100.0% 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 0x00001010
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 e1ab1973b869c1ed8c302c44911e15be
.rdata 2048 bytes · 26.7% of section data
MD5 444846c013013ed8c8f3cb45fb06da3b
.data 512 bytes · 6.7% of section data
MD5 ee8e428290ec42160c5e2a30f80215a5
.pdata 512 bytes · 6.7% of section data
MD5 882842d91b19746b9cc2b2a5db88be9d
.rsrc 2048 bytes · 26.7% of section data
MD5 336504a69a39e48bd48c17996744fb3a
.reloc 512 bytes · 6.7% of section data
MD5 41ff321846df8d4d0cb8a1ea8c648f08

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 72565e7a0145e0657e586f6cf7696dc7.
  • 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.