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dsrvprn.exe

Acai Tech Ltd

The application dsrvprn.exe by Acai Tech has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It runs as a separate (within the context of its own process) windows Service named “dsrvprn”.
Publisher:
Acai Tech Ltd  (signed and verified)

MD5:
5092a0f3aeffe86638b02ba1e4b03b06

SHA-1:
4557b2d5fd59b31ec8ed0fd97253a65e5dc13c93

SHA-256:
2138249802d86b68dd1da890092f4845135df64ea10a516eee57deea21dfb1e5

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:
4/27/2024 12:46:26 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Service.AcaiTech.H
14.11.21.23

File size:
205.8 KB (210,744 bytes)

File type:
Executable application (Win64 EXE)

Common path:
C:\windows\syswow64\dsrvprn.exe

Digital Signature
Signed by:
Acai Tech Ltd

Authority:
COMODO CA Limited

Valid from:
9/22/2014 10:00:00 AM

Valid to:
9/23/2015 9:59:59 AM

Subject:
CN=Acai Tech Ltd, O=Acai Tech Ltd, STREET=Rakefet 19, L=Hod Hasharon, S=Sharon, PostalCode=4520634, C=IL

Issuer:
CN=COMODO RSA Code Signing CA, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
189E85B982528243713729AC8244D22C

File PE Metadata
Compilation timestamp:
10/22/2014 12:58:14 AM

OS version:
5.2

OS bitness:
Win64

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
3072:RJs0ugjuHrXxweIQnD+/sFTI11I199+UvUIiD9+VKWvhvCPzfU:Ps0ugjwx7IQ6wTE14tvUH94KPzc

Entry address:
0xAA4C

Entry point:
48, 83, EC, 28, E8, 1B, 36, 00, 00, 48, 83, C4, 28, E9, 36, FE, FF, FF, CC, CC, CC, CC, CC, CC, CC, CC, 66, 66, 0F, 1F, 84, 00, 00, 00, 00, 00, 4C, 8B, D9, 49, 83, F8, 08, 72, 6B, 0F, B6, D2, 0F, BA, 25, C4, A6, 01, 00, 01, 73, 0E, 57, 48, 8B, F9, 8B, C2, 49, 8B, C8, F3, AA, 5F, EB, 5F, 49, B9, 01, 01, 01, 01, 01, 01, 01, 01, 49, 0F, AF, D1, 49, 83, F8, 40, 72, 1E, 48, F7, D9, 83, E1, 07, 74, 06, 4C, 2B, C1, 49, 89, 13, 49, 03, CB, 4D, 8B, C8, 49, 83, E0, 3F, 49, C1, E9, 06, 75, 41, 4D, 8B, C8, 49, 83, E0...
 
[+]

Entropy:
5.7331

Code size:
87.5 KB (89,600 bytes)

Service
Display name:
dsrvprn

Type:
Win32OwnProcess


The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to s3-1-w.amazonaws.com  (52.216.226.0:80)

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