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epson stylus sx100 sx105 6.63.exe

BeST ApP

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application epson stylus sx100 sx105 6.63.exe by BeST ApP 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.downward1212.info.
Publisher:
LBFZP  (signed by BeST ApP)

Product:
LBFZP

Version:
3394.15917.887.5605

MD5:
b41e8ac9805210c372f93bd86b3e9cc2

SHA-1:
d8fb806feaafc8f2cfd471bea5cca599b0153dae

SHA-256:
2c2e3d645ac04199a3ea9b055f11f2ed5eb995f030ab7223a4e82f26691badf7

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:
6/3/2024 5:32:39 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse (M)
16.7.20.18

File size:
551.2 KB (564,392 bytes)

Product version:
3394.15917.887.5605

Copyright:
LBFZP

Trademarks:
LBFZP

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}\epson stylus sx100 sx105 6.63.exe

Digital Signature
Signed by:
BeST ApP

Authority:
thawte, Inc.

Valid from:
6/30/2015 1:00:00 AM

Valid to:
12/17/2015 11:59:59 PM

Subject:
CN=BeST ApP, O=BeST ApP, L=Dublin, S=Dublin, C=IE

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

Serial number:
64E1250DF629BD3901AA90A77D70239E

File PE Metadata
Compilation timestamp:
12/5/2009 10:52:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:Cq4rTLHVZx3ZbCIYBmtzA04ru3Bu1O+2cCG9pMiQN7Bz:CLHVZLbfDzIru3s1OcaiQv

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 epson stylus sx100 sx105 6.63.exe has been seen being distributed by the following URL.

http://get.downward1212.info/.../1442520882/1442520882?24325616184ZWFxMC85bzcxKzAyNSNiOCw4MTUoImo5LzcrKi8gbTUtJGxvbV9vYm5tWWljOUFtcmhraWBcITAsSl9pW2ZfcR5hdmFycGc3Z25zaCExXSIwYR8xYG9eKmBha2hcZ2hocmxuX2RwLF5pbB8xXm8jLmMvLy4xLzEoNDYwIjBhX20fMV4uIy5jMCAsZSwxKS0vMCovMjMxKzYwKWNscG1pJ3JueGRxcSlwdiwqLydycC0uMStjc18lXnhmXWtlYGxcZ2Q3RGhvbWoiMCtNc3NrbW8jLi1RUysvKiQqLCMuLSMtKlJSMCgxIy4tNCkwMiBlYWhjal5rYDdEanJnaiMuLVFvc2tvch0uLk9VLysqJCwvHS4uIS8uTlIwKjQdLi4yKzQuIHI3Y2dzbGhsX19tJWNiZ2o7Ly0ka2xrNzAeX21qOi8

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