7zip.exe

Kitobuf

PremiumBeam (New Media Holdings Ltd.)

The application 7zip.exe, “Kitobuf Setup ” by PremiumBeam (New Media Holdings) has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the installCore installer. The file has been seen being downloaded from www.hostingtagtowers.com and multiple other hosts.
Publisher:
Mad   (signed by PremiumBeam (New Media Holdings Ltd.))

Product:
Kitobuf

Description:
Kitobuf Setup

Version:
1.5.3.3

MD5:
09ae6bffb527e131db35e8f4d6d03c03

SHA-1:
e2550da11db51ab5969f09f700348440e69e19e1

SHA-256:
d57a58b7d12163b39ec5c56d72e1992d1bcbd1fb91a073af43752192585c0e9f

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.

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
11/24/2024 2:58:12 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.NewMedia.NMH (M)
17.2.2.14

File size:
1.2 MB (1,239,672 bytes)

Product version:
5.0.8

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\7zip.exe

Digital Signature
Authority:
GlobalSign nv-sa

Valid from:
3/15/2016 6:32:02 AM

Valid to:
5/23/2017 8:45:10 AM

Subject:
CN=PremiumBeam (New Media Holdings Ltd.), O=PremiumBeam (New Media Holdings Ltd.), L=Tel Aviv, C=IL

Issuer:
CN=GlobalSign CodeSigning CA - SHA256 - G2, O=GlobalSign nv-sa, C=BE

Serial number:
11218480E9694D8FE5FFFE43B686304FC6EF

File PE Metadata
Compilation timestamp:
6/19/1992 3:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

Entry address:
0xA5F8

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, CE, 8A, FF, FF, E8, D5, 9C, FF, FF, E8, 64, 9F, FF, FF, E8, 07, A0, FF, FF, E8, A6, BF, FF, FF, E8, 11, E9, FF, FF, E8, 78, EA, FF, FF, 33, C0, 55, 68, C9, AC, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 92, AC, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 26, F5, FF, FF, E8, 11, F1, FF, FF, 80, 3D, 34, B2, 40, 00, 00, 74, 0C, E8, 23, F6, FF, FF, 33, C0, E8, C4, 97, FF, FF, 8D, 55, F0, 33, C0, E8, B6, C5, FF, FF, 8B, 55...
 
[+]

Entropy:
7.9842

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
39.5 KB (40,448 bytes)

The file 7zip.exe has been seen being distributed by the following 4 URLs.

http://www.hostingtagtowers.com/HNEsq2IlH50rZSk DWoYkYZ8CE0wSh_bUa1o j Hg3aOMguqAkVz4O0B4lVpyLd25uxV5 IeH_xr6rWeciugwU5P7nD3QK2GIx6OeCVeD4gr88EMt Qfv5why 7ANTmSKYvCV6Vi ibAEJeklcd5B4CVeQ4WrRFn_s_o2B26CBuEX80TPlDQEhN6MAUpHkrY9_4DmQAX-ixaAaHR0cDovL3d3dy5maWxlZ29hdC5jb20vN3ppcC9iaW5hcnkvN3oxNjAyLmV4ZQM=

http://www.hostingtagtowers.com/8NZroyUtdLJGcqWMVEZt0r2U6G5sbYAfb7BHD8bCOCB5ytMsl l_5PljiOx4hA3p4J7vMZJNAYNbsGR3sy_95HptE cwC96mh3tK4JTik4hzXJbLfUUYkdyiy8MdYYI ajqnbStj1Yr6kjN8ZOhleo vpoZdmD0YkKvRjV6UZF2BywvD14JfgQUaT4x4lXpdohF5F0TI-ixaAaHR0cDovL3d3dy5maWxlZ29hdC5jb20vN3ppcC9iaW5hcnkvN3oxNjAyLmV4ZQM=

http://www.hostingtagtowers.com/RgHAuKxNm1AERNymHUEUIQg 6qu3F68teRgZdTuQSbLknXE0JU5l0zHlI6LslPKs70NULhMaACpzRyHskS5NAbsnfeiiuc 1PFm0r9TtZ0pd9Te1WQpeI6zMwcSxlkX9o T4c0diKu9H5er7jysOtM4GLRkv7xOhpoXZ3k6qlsEuzwxPIRwASjHhuUXUjriBRZv3s5yF-ixaAaHR0cDovL3d3dy5maWxlZ29hdC5jb20vN3ppcC9iaW5hcnkvN3oxNjAyLmV4ZQM=

http://www.hostingtagtowers.com/ewFAenCuFHe702GjW5FVO1tDajC4Ef6mYdGGPNVSymuWEnwAscGkKBI_MP4valvLp g3i9PipRFinIMfWMUwlzdTCXFIO8sgbvcHdBLyKfrgSoTAl3z6cES62aCPmGIlavkcWHESPetxUD3N4C7xOdkn3fiHkA3j3N12y6LDvrOhP5fTvyn5sdNuWA W_AnEhvtGpuj -ixaAaHR0cDovL3d3dy5maWxlZ29hdC5jb20vN3ppcC9iaW5hcnkvN3oxNjAyLmV4ZQM=

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