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csrss.exe

Client Server Runtime Process

ABDULKADIR SAHIN

While the file properties state the file is developed by 'Microsoft Corporation', this is not the case and it is designed just to look like a legitimate Microsoft system file. The file csrss.exe, “Client Server Runtime Process” by ABDULKADIR SAHIN has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
Microsoft Corporation  (signed by ABDULKADIR SAHIN)

Product:
Microsoft® Windows® Operating System

Description:
Client Server Runtime Process

Version:
6.1.7600.16385

MD5:
65423493b2b3e1a2a9b46acd8fa94b85

SHA-1:
9f92e146ca538b3812db3a5101d5b0526d3db436

SHA-256:
a9522215f19f7ce62dfb0cb91b9a3d2be9bdbb9ba1ee044cdca6b031efa3471b

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
12/25/2024 4:03:12 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
16.8.29.11

File size:
50.8 KB (52,048 bytes)

Product version:
6.1.7600.16385

Copyright:
© Microsoft Corporation. All rights reserved.

Original file name:
csrss.exe

Language:
Turkish (Turkey)

Common path:
C:\ProgramData\trzf9da.tmp

Digital Signature
Signed by:
ABDULKADIR SAHIN

Authority:
VeriSign, Inc.

Valid from:
1/18/2013 2:00:00 AM

Valid to:
3/20/2014 1:59:59 AM

Subject:
CN=ABDULKADIR SAHIN, OU=Individual Developer, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=No Organization Affiliation, L=ANKARA, S=KECIOREN, C=TR

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
516CAE126302D8B129C8550A077CDF6F

File PE Metadata
Compilation timestamp:
6/28/2013 10:20:37 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
768:qirzoJCxmxnec/kEtfsHZMNCzUt8cP31B7j2TUan9Y2:qi/oJCxc3+WNmA31Bxa9B

Entry address:
0xC22E

Entry point:
FF, 25, 00, 20, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Developed / compiled with:
Microsoft Visual C# / Basic .NET

Code size:
41 KB (41,984 bytes)

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