GridinSoft Threat Intelligence

csrss.exe threat report

Detected as Trojan.Kryptik File reputation report
MD5 a1a5aaf0be3be81a4531f7a9184c4a0d
Latest seen 2023-02-20 23:31:26 (3 years ago)
First seen 2023-02-20 23:30:37 (3 years ago)
Size 4 MB
Signed by 10700

GridinSoft Anti-Malware detection

Detected by GridinSoft before you download

The current ThreatInfo record shows this exact file hash detected as Trojan.Kryptik. 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.Kryptik
Recommended action
Scan and remove
Last analysis
2023-02-20 23:31:26 (3 years ago)
File hash
a1a5aaf0be3be81a4531f7a9184c4a0d
Download Anti-Malware

Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as Trojan.Kryptik.

Timeline

First seen 2023-02-20 23:30:37 (3 years ago); latest analysis 2023-02-20 23:31:26 (3 years ago).

Digital signature

Signed by 10700. 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.

csrss.exe is a Windows file recorded in the ThreatInfo database. The current detection status is Trojan.Kryptik, based on the latest analysis from 2023-02-20 23:31:26 (3 years ago).

If csrss.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.Kryptik.

MD5: a1a5aaf0be3be81a4531f7a9184c4a0d
Size: 4 MB
First Published: 2023-02-20 23:30:37 (3 years ago)
Latest Published: 2023-02-20 23:31:26 (3 years ago)
Status: Trojan.Kryptik (on last analysis)
Analysis Date: 2023-02-20 23:31:26 (3 years ago)
csrss.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: 10700
Status: Valid

The signature on csrss.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.

%windir%

ThreatInfo has observed csrss.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 10 100.0%

The most common operating system signal for csrss.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.

csrss.exe is identified as pe for 32-bit 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.

Format pe
Architecture 32-bit
Subsystem Windows GUI
Entry point 0x0000693f
Image base 0x00400000

PE Sections:

Sections 4
Raw data 4283392

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

.text 74240 bytes · 1.7% of section data
MD5 31aa07217c62b3e347454364f8fce083
.data 4105728 bytes · 95.9% of section data
MD5 9dba3c48013bacd4772d0634962d50fd
.rsrc 82944 bytes · 1.9% of section data
MD5 68a3f7179a9a4081c1cd6be06430808e
.reloc 20480 bytes · 0.5% of section data
MD5 04b72d4209e676a1c45caa8e4b018b3e

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

GridinSoft detects this file as Trojan.Kryptik

This report identifies csrss.exe by MD5 a1a5aaf0be3be81a4531f7a9184c4a0d. If the same file is present on your device, scan the system and remove the detected object after confirming the hash and location.

Download GridinSoft Anti-Malware Scan the device and confirm whether this exact hash is present. Check this hash on VirusTotal

Recommended next steps

  • Compare the local file MD5 with a1a5aaf0be3be81a4531f7a9184c4a0d.
  • Check the file path, publisher, and signature against the details in this report.
  • Run a GridinSoft scan and remove the object if the same hash is found.