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nsinstall.exe

Gemius S.A.

The application nsinstall.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.spanelcz.gemius.com.
Publisher:
Gemius S.A.  (signed and verified)

MD5:
c84f2d37b749d0771ae9c12f3ff6c03e

SHA-1:
72f352cee62cd60eca6906c6f4d8363130c9a8a9

SHA-256:
9c9ec1df835d85ce0933a28aab6bb874f93d996eec2f3ef10e9e2e7fc9a68bcc

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 5:00:48 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.GemiusSA.Installer (M)
15.7.1.19

File size:
2.3 MB (2,401,096 bytes)

File type:
Executable application (Win32 EXE)

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

Digital Signature
Signed by:
Gemius S.A.

Authority:
Thawte, Inc.

Valid from:
4/3/2014 2:00:00 AM

Valid to:
6/2/2016 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:
411290C3B6985D1DD4202A51727A340B

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:omOLHuU/7kzo3knYeUZYRAI+A5WvFOrJNIyiqXFSjTMUdLCg1jcCXP+uBo5uJHJ:oFLjwQrr/A5eFnyT1cMUx1hcC/XB+8J

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 nsinstall.exe has been seen being distributed by the following URL.

http://pl.spanelcz.gemius.com/.../netpaneldownload.php

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