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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.megapanel.gem.pl.
Publisher:
Gemius S.A.  (signed and verified)

MD5:
f45c93ebbe521d2825cfefc5b579fe53

SHA-1:
e856be6c453d8b9cafe6f16e6916641b37bfc23d

SHA-256:
88741843c00172448006ae3ad6d300dee91caee8ee0fb5acf2c340d45d0a2022

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:
11/16/2024 9:44:27 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.GemiusSA.Installer (M)
16.7.14.17

File size:
1.9 MB (1,954,456 bytes)

File type:
Executable application (Win32 EXE)

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:
3/11/2013 1:00:00 AM

Valid to:
5/11/2014 1:59:59 AM

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

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
4214D27FBFEDDBBD183D1ED8DF3A9C0E

File PE Metadata
Compilation timestamp:
1/14/2003 9:27:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
5.0

CTPH (ssdeep):
49152:RgqIp1lMNwWPma8I5oxgaCqbyX51jkbkCuHWDjp:RgdLne0LbyXg+Yp

Entry address:
0x1F150

Entry point:
60, BE, 00, 50, 41, 00, 8D, BE, 00, C0, FE, FF, 57, 83, CD, FF, EB, 10, 90, 90, 90, 90, 90, 90, 8A, 06, 46, 88, 07, 47, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 72, ED, B8, 01, 00, 00, 00, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, 01, DB, 73, EF, 75, 09, 8B, 1E, 83, EE, FC, 11, DB, 73, E4, 31, C9, 83, E8, 03, 72, 0D, C1, E0, 08, 8A, 06, 46, 83, F0, FF, 74, 74, 89, C5, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, 75, 20, 41, 01, DB, 75...
 
[+]

Packer / compiler:
UPX 2.90LZMA

Code size:
44 KB (45,056 bytes)

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

http://pl.megapanel.gem.pl/usr/.../?id=5297582&mt=2c2c6abd857138e3a01146bb3a333a88&lang=pl&market=PL

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