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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:
f0b55bc84d9061f261a7b17797b7334b

SHA-1:
8c77cc9b28aa952f62ccd927787e6a1b308e92e4

SHA-256:
fc896220963cc2a0434891b1747bf66d31ccd8a5f600a1c81ba55a3ca2013cb0

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:
4/19/2024 11:45:54 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Service.AcaiTech.H
14.11.21.23

File size:
187.3 KB (191,800 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\Windows\System32\dsrvprn.exe

Digital Signature
Signed by:
Acai Tech Ltd

Authority:
COMODO CA Limited

Valid from:
9/21/2014 8:00:00 PM

Valid to:
9/22/2015 7:59:59 PM

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:
10/19/2014 10:39:01 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
1536:ChdNzmvCzyRqToZZdDMS3RTiGz9NZUn++cquNGsWjcdARtdCwwcvz2yNgf3rigt:ChTVzO6SDNZUn+GuNpo7CwwcvzDNkHt

Entry address:
0x958A

Entry point:
E8, F8, 30, 00, 00, E9, 7F, FE, FF, FF, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 8B, 54, 24, 0C, 8B, 4C, 24, 04, 85, D2, 74, 7F, 0F, B6, 44, 24, 08, 0F, BA, 25, 9C, E8, 41, 00, 01, 73, 0D, 8B, 4C, 24, 0C, 57, 8B, 7C, 24, 08, F3, AA, EB, 5D, 8B, 54, 24, 0C, 81, FA, 80, 00, 00, 00, 7C, 0E, 0F, BA, 25, E8, D0, 41, 00, 01, 0F, 82, 27, 32, 00, 00, 57, 8B, F9, 83, FA, 04, 72, 31, F7, D9, 83, E1, 03, 74, 0C, 2B, D1, 88, 07, 83, C7, 01, 83, E9, 01, 75, F6, 8B, C8, C1, E0, 08, 03, C1, 8B, C8, C1, E0, 10, 03...
 
[+]

Code size:
77.5 KB (79,360 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  (54.231.50.18:80)

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