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r1wvzvrlg.exe

Yes Apps

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application r1wvzvrlg.exe by Yes Apps 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. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from get.0143i.info.
Publisher:
KRBEU  (signed by Yes Apps)

Product:
KRBEU

Version:
5076.151114.730.5934

MD5:
cb3d18d5e54b1c532f74bee07330ea21

SHA-1:
52d64586c1bd5604929956c79f19670cfce53ddb

SHA-256:
7d899873b72bc69866a882390ab65a76de32e5b95f3167473b96b3bb3013bfcc

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:
2/25/2025 1:03:14 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse.YesApps.Bundler (M)
16.3.22.1

File size:
344.3 KB (352,600 bytes)

Product version:
5076.151114.730.5934

Copyright:
KRBEU

Trademarks:
KRBEU

File type:
Executable application (Win32 EXE)

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

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\r1wvzvrlg.exe

Digital Signature
Signed by:
Yes Apps

Authority:
GlobalSign nv-sa

Valid from:
1/4/2015 10:07:58 AM

Valid to:
11/20/2015 10:31:49 AM

Subject:
CN=Yes Apps, O=Yes Apps, L=Dublin, C=IE

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

Serial number:
112142ED1247F6EEDCC3B9B4A1C7F026A070

File PE Metadata
Compilation timestamp:
12/5/2009 11:52:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:RFJ0hZYnNCxy+ahR+rrbVqpn+zOJlNMLOb9Ztw6OQ1Ayz:4ueDvbEB+aJleLafl1Xz

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, 1C, 45, 00, E8, F1, 2B, 00, 00, A3, 64, 1B, 45, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 37, 43, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, DB, 44, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, A0, 47, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file r1wvzvrlg.exe has been seen being distributed by the following URL.

http://get.0143i.info/7ml9tckuw/14475152101/14475152104/14475152109/144751521016/14fcqu252/144751521036/144751521049/144751521064/2tna/1447515210100/1447515210121/.../?58265283589Yl1yMzpuNS4xLCovHmI3Li4r=&MDMeYzgqNy8xMx5rOCkda2ptXnBh=bGtcZVw4P&G1xaWpnXl9FW=GlZZV9tJF11YG1pZzVmbm9uHTBc&HSlhHTBgX21va2dn=WF8lcV9tdF1vbiZaa&mUjLGFRcXBEZl1qHTBgUU1LcXBaJWBwYyBfd2ZeaGFaa=VlrXzhTaGFc&bFxuHmRjZ2NmXmhdNG0pdVBVVEppQh=5gXmdsNy4u&Hm1tZDQs=HmFpaTspI29rNCwsMjEwLy0vLCgdYmw7YWByMQ

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