vdownloader_setup.exe

Catuhacun

Setup Alpha ((New Media Holdings Ltd)

The application vdownloader_setup.exe, “Catuhacun Setup ” by Setup Alpha ((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.vaultbytehead.com and multiple other hosts.
Publisher:
Setup Alpha ((New Media Holdings Ltd)  (signed and verified)

Product:
Catuhacun

Description:
Catuhacun Setup

Version:
4.7.1.5

MD5:
0c37e76496d907cbc03d5ca669b8436a

SHA-1:
614f576319f6e42b1db8cf7eab7b4c669e964143

SHA-256:
b7a922206cb2abae0c6c5aa7afd56a6155117edd848e18768c648c46e4e841ae

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 is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
5/21/2024 12:02:05 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.NewMedia.NMH.Bundler (M)
16.5.22.14

File size:
1.3 MB (1,344,856 bytes)

Product version:
3.6

Copyright:
Wizard Lite Stub

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Authority:
GlobalSign nv-sa

Valid from:
12/17/2015 4:41:44 PM

Valid to:
5/25/2016 2:42:13 PM

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

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

Serial number:
11216F55CB04783E0F0E5AC4C45115E1BCCC

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

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:dd0glPmINSKRkXb/2JKqTnWb875uqzslsBc2qPx0hOtNj0Rpv:dqcRkXFqTWbmuq5BclHN6pv

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, 53, C9, FF, FF, E8, 9A, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

Entropy:
7.3441

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

Code size:
37 KB (37,888 bytes)

The file vdownloader_setup.exe has been seen being distributed by the following 50 URLs.

http://www.vaultbytehead.com/c?x=aiOMUl1/eGe6E5GTMOSUGC1gPgw0kFBH96y qxB4rJc=&c=O rrzVtYuMKox1kmopz4KO5flO1MvHtUL6Mg8A8hw1FE rRN0J1KI5dVkOPVwBx0s4HMC4qh/aEvJZlnqRHKlT1UuSHIxJYWKjrUsNzLrNTqJDzY1675tueyFrbhfQKJSipmNg3fLqAspDmHSf/v4A==&e=0&downloadAs=VDownloader_Setup.exe&fallback_url=http://.../?p=plus

http://www.vaultbytehead.com/c?x=g5wWu1PeZQvtsbFsv6WwbNN/zxPe8fjZ8acPtnQ Otk=&c=vk z17kiT1QCRZUA4ami9ikLIDpGIwTdpe0Z0U/qDfL39ZZL9NtYCjGhTiG0ut/i5POhwCJs P7N9iYyZiy062i/Kn84yt2xNQTt6034vs7S8YEGXvGvZap6srbWO0ZFy755SOKIYqj0RjGTT4s3hc5p3ki6p74dLdcmpp5HTug=&e=0&downloadAs=VDownloader_Setup.exe&fallback_url=http://.../?p=plus

http://www.vaultbytehead.com/c?x=F5mXVAiXrBEbBojLTE2Z/kriSkjFGyVI5jgVKbFS4jc=&c=6jL9hXqa3A7RlRSravLNBWIXxnLV2W5auZwh/jZlEpQmKpeqc88rvNQ0cgWWG7c3e6gjiNuO/L2JRE2unVurZm/x8wx8JvJY0bSlMpm71YjTLwn BRRYJmPRK/m8aLxI5QHPSLQ3N8Fbgt51HmKuD62hPM Fa9Oin39tt6ZCwgI=&e=0&downloadAs=VDownloader_Setup.exe&fallback_url=http://.../?p=plus

http://www.vaultbytehead.com/c?x=j0uL3tXYtO95 Hx10WIj3nsGi s45T7iH/NFXEYOocY=&c=m8DrRp2DJBrp1UmdjdXcEHa5VX3mKaxI2hoB3/BcDHnrImi9OBERVTII9V0KTb3rY8Fr8BRWTzp2S3BfSA/4J36ZHwvY2LwtEZxcrLb2HS31J6DrHNNH0Y11j3AwNpamo0QOoxcJ9e5UB4m0MeSYV4LZ5dudlBYdZfVt9F8gWik=&e=0&downloadAs=VDownloader_Setup.exe&fallback_url=http://.../?p=plus

http://www.vaultbytehead.com/c?x=OUx76wSH5NfpyF0f6XSZowMtCBTvIZqrYWZWPoGfExY=&c=Sy0fiyniE06Lnm gqjVKN7l3ktNL8HxXfbC0IF3ex4Fi27lB3lAxcWhzlXTg0JG7Ucqa2ysJVljDoqXd2pm JfX2T99mO8B/O2is ea6XD7Uvn5przto3SbLbKf2qnaOom9s/54MYRQoPmuVXnu/o2Z0Lyn/NkMVTW1CL ghZxQ=&e=0&downloadAs=VDownloader_Setup.exe&fallback_url=http://.../?p=plus

Latest 30 of 57 download URLs

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