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DPInst.exe

Driver Package Installer (DPInst)

Insinooritoimisto J. Rimppi Oy

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 application DPInst.exe, “Driver Package Installer” by Insinooritoimisto J. Rimppi Oy 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 Insinooritoimisto J. Rimppi Oy)

Product:
Driver Package Installer (DPInst)

Description:
Driver Package Installer

Version:
2.1

MD5:
389d7179cad9ad3db08b2b931e15aaec

SHA-1:
8a7e7ba543d03602f64cbd0fe936e7f10c33d6a1

SHA-256:
aecaf9b9aed922f5c917d4eeb64d543c67f30e17e402676ee30403c7380892ae

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:
8/21/2025 10:42:46 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InsinooritoimistoJRimppiOy.Installer (M)
15.12.25.23

File size:
661.2 KB (677,096 bytes)

Product version:
2.1

Copyright:
© Microsoft Corporation. All rights reserved.

Original file name:
DPInst.exe

File type:
Executable application (Win64 EXE)

Language:
English (United States)

Common path:
C:\Program Files\difx\74a625b485af9620\dpinst.exe

Digital Signature
Signed by:
Insinooritoimisto J. Rimppi Oy

Authority:
GlobalSign nv-sa

Valid from:
4/6/2011 10:54:47 AM

Valid to:
5/6/2012 10:54:42 AM

Subject:
CN=Insinooritoimisto J. Rimppi Oy, O=Insinooritoimisto J. Rimppi Oy, L=Ojakkala, S=Vihti, C=FI

Issuer:
CN=GlobalSign ObjectSign CA, OU=ObjectSign CA, O=GlobalSign nv-sa, C=BE

Serial number:
0100000000012F2A32B2B3

File PE Metadata
Compilation timestamp:
5/23/2009 12:37:17 PM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
6144:hsW7OzpPId26dQcEaUrPvwgwkRVagRoOQTiHaQsVIhVLpHf2mmPL:HIId79EaUTvwieMowXzZ2tPL

Entry address:
0x5CBA8

Entry point:
48, 83, EC, 28, E8, 8F, 08, 00, 00, 48, 83, C4, 28, E9, D2, FC, FF, FF, CC, CC, CC, CC, CC, CC, FF, 25, 02, 4E, FA, FF, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 66, 66, 0F, 1F, 84, 00, 00, 00, 00, 00, 48, 3B, 0D, 51, 45, 02, 00, 75, 12, 48, C1, C1, 10, 66, F7, C1, FF, FF, 75, 03, C2, 00, 00, 48, C1, C9, 10, E9, FC, 08, 00, 00, CC, CC, CC, CC, CC, CC, CC, CC, 48, 89, 5C, 24, 10, 44, 89, 44, 24, 18, 48, 89, 4C, 24, 08, 56, 57, 41, 54, 48, 83, EC, 40, 49, 8B, F1, 41, 8B, F8, 4C, 8B, E2...
 
[+]

Entropy:
5.9296

Code size:
510.5 KB (522,752 bytes)

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