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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 setup and installation application and has been known to bundle potentially unwanted software. The file has been seen being downloaded from pl.panelmena.gemius.com.
Publisher:
Gemius S.A.  (signed and verified)

MD5:
1a775a7e2c042e67cdf27c5064c64e13

SHA-1:
28db16c75b302c71bd1ccb43d4beb0e2a564fac5

SHA-256:
056d56cb80f2b02e054ea8503451d8c9c67842c399c7332cbdc056f0ce1d12c1

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:
12/27/2024 4:08:35 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
16.8.1.11

File size:
1.5 MB (1,550,416 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\downloads\npinstall.exe

Digital Signature
Signed by:
Gemius S.A.

Authority:
Thawte, Inc.

Valid from:
3/18/2011 3:00:00 AM

Valid to:
4/17/2013 2:59:59 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:
5F45B89031A4F7A7971DC1690565EE4E

File PE Metadata
Compilation timestamp:
1/14/2003 11:27:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
5.0

CTPH (ssdeep):
24576:a8PQJYapP94scDlw6H9ZYbV8XqT1ms4dA2OBcYZ1Umn1sPdQg72MjsFqbNwhuF0F:rutpFlcDlXXqDr4dONS9bsFqbNZepzH

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...
 
[+]

Entropy:
7.9985

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.panelmena.gemius.com/usr/.../?lang=ar&id=650321&mt=2ab84c707de2f89924198626c6b5e70d

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