multipackbase.exe

Evgen Kugitko

This is a WebPick installer that bundles (with very minimal user consent) a number of adware browser extensions using the JustPlug.it browser framework. The application multipackbase.exe by Evgen Kugitko has been detected as adware 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 wot-planet.com.
Publisher:
NirSoft Installer  (signed by Evgen Kugitko)

Product:
NirSoft Installer

Version:
1.4.5.1

MD5:
677690d68f4d92e8b1ddc49809625ce9

SHA-1:
6d07d690c010587ecbb1493c3791eb95a64d79b2

SHA-256:
247efb8f2ff550afac4c4288dd8785ec9bbb3c9251152bfcd4dd603bf467de06

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:
5/20/2024 3:10:47 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Webpick.EvgenKug.Installer (M)
16.3.26.17

File size:
511.2 KB (523,496 bytes)

Product version:
1.4.5.1

File type:
Executable application (Win32 EXE)

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

Digital Signature
Signed by:

Authority:
Thawte, Inc.

Valid from:
9/24/2014 3:00:00 AM

Valid to:
9/25/2015 2:59:59 AM

Subject:
CN=Evgen Kugitko, OU=Individual Developer, O=No Organization Affiliation, L=Kiev, S=Kiev, C=UA

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

Serial number:
4179EA1BEC59D4CA7E66862832555480

File PE Metadata
Compilation timestamp:
6/20/1992 1:22:17 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
7.0

CTPH (ssdeep):
12288:L0WFHixyGhj64w5akVdyHhU5C0l9M7uNt0y:hFH5ak7+W5C0bNV

Entry address:
0x106568

Entry point:
60, 8D, 64, 24, 20, 0F, 86, 90, FD, FF, FF, 9C, 9C, C7, 44, 24, 04, 80, 52, D5, 83, 60, E9, 8F, C9, FD, FF, 2E, 14, A1, 49, 37, E5, F9, 01, 4D, 7A, 56, C8, 94, 68, 3D, 2D, 72, 54, 71, 49, 1B, 11, 9C, 89, 3A, 4C, 00, 0C, 91, 44, 5D, 3D, 6C, 7E, 51, 55, 60, 4A, 1C, 7F, 4B, 81, 51, AD, E3, CF, E2, 2B, FF, 2A, 32, 33, D5, 95, 89, 92, C5, 21, 57, 28, 9D, CC, 1C, 5D, FD, CD, 8D, 81, 3A, 8C, 2F, 97, DB, 54, 88, A1, 2D, 2E, EA, 88, 13, B7, BC, A6, F5, D5, 0B, 57, F7, D5, BD, F2, 75, CA, B5, 55, 9E, 2A, 9C, D2, 41...
 
[+]

Code size:
686.5 KB (702,976 bytes)

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

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