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npinstall.exe

Gemius S.A.

The application npinstall.exe by Gemius S.A has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is a self-extracting archive and installer and has been known to bundle potentially unwanted software. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from pl.panel.gemius.com.tr.
Publisher:
Gemius S.A.  (signed and verified)

MD5:
3098aa084da0821189f3c6c89262240e

SHA-1:
1fa60286e6da1174d097a0d6933dbbceb30712a3

SHA-256:
36b8d8e675e3857737b3843edae65296e7aebdc78fe91a3257d75839993b745b

Scanner detections:
1 / 68

Status:
Potentially unwanted

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:
12/26/2024 2:04:39 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
17.3.16.12

File size:
2.5 MB (2,660,072 bytes)

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\npinstall.exe

Digital Signature
Signed by:
Gemius S.A.

Authority:
thawte, Inc.

Valid from:
5/20/2016 2:00:00 AM

Valid to:
7/20/2019 1:59:59 AM

Subject:
CN=Gemius S.A., O=Gemius S.A., L=Warszawa, S=Mazowieckie, C=PL

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
051EC14F4A0037DD6936254DC8119676

File PE Metadata
Compilation timestamp:
11/18/2010 6:27:35 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

Entry address:
0x14B04

Entry point:
55, 8B, EC, 6A, FF, 68, E0, B9, 41, 00, 68, 2C, 4A, 41, 00, 64, A1, 00, 00, 00, 00, 50, 64, 89, 25, 00, 00, 00, 00, 83, EC, 58, 53, 56, 57, 89, 65, E8, FF, 15, 74, B0, 41, 00, 33, D2, 8A, D4, 89, 15, D0, 33, 42, 00, 8B, C8, 81, E1, FF, 00, 00, 00, 89, 0D, CC, 33, 42, 00, C1, E1, 08, 03, CA, 89, 0D, C8, 33, 42, 00, C1, E8, 10, A3, C4, 33, 42, 00, 6A, 01, E8, 96, 0E, 00, 00, 59, 85, C0, 75, 08, 6A, 1C, E8, C3, 00, 00, 00, 59, E8, 48, 09, 00, 00, 85, C0, 75, 08, 6A, 10, E8, B2, 00, 00, 00, 59, 33, F6, 89, 75...
 
[+]

Developed / compiled with:
Microsoft Visual C++ v6.0

Code size:
102.5 KB (104,960 bytes)

The file npinstall.exe has been seen being distributed by the following URL.

http://pl.panel.gemius.com.tr/usr/.../?id=1779854&mt=623ffb3bd8be13424e9ec34f9ff4e531&lang=tr&market=TR

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