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vroot.exe

MARI Mara

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application vroot.exe by MARI Mara 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 OutBrowse Revenyou installer. The file has been seen being downloaded from get.spot0102.info.
Publisher:
MARI Mara  (signed and verified)

MD5:
5965c17e8414fb957bbcc96f1ba76a5c

SHA-1:
4c964dc6c0586e573c9bb59ab48fc1a533f1958f

SHA-256:
e2e0e050863230fe4fae48a3e6bc9452d542ecb01c13aa1a027e52f8b2fb9801

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 4:03:37 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse.MARIMara.Bundler (M)
16.6.7.23

File size:
575.6 KB (589,416 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
OutBrowse Revenyou (using Nullsoft Install System)

Language:
Language Neutral

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

Digital Signature
Signed by:
MARI Mara

Authority:
thawte, Inc.

Valid from:
1/9/2015 5:30:00 AM

Valid to:
12/18/2015 5:29:59 AM

Subject:
CN=MARI Mara, O=MARI Mara, L=Dublin, S=Dublin, C=IE

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
7792B09FBA739BDBD98A9B14D63739DE

File PE Metadata
Compilation timestamp:
12/6/2009 4:20:52 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:LjiRqM2qRreQ2BUzxuO0GyTqHTxDChwcJkpg4O0Bza0uUT/GXqYBAv:LT+eQ2BUlugygTxQwyogJKzaUz2G

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9676

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://get.spot0102.info/.../get18?p=2329&d=18256&l=17401&n=1&filename=Vroot

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