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installer_adobe_flash_player_english.exe

Sanflex

This is the Tightrope WebInstall which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application installer_adobe_flash_player_english.exe by Sanflex has been detected as adware by 20 anti-malware scanners. The program is a setup application that uses the Tightrope WebInstall installer. The file has been seen being downloaded from freempr9.jrcaaa.com and multiple other hosts.
Publisher:
Sanflex  (signed and verified)

MD5:
adf436872ed86a6713386b4529bfe80e

SHA-1:
05b6f46536180f3865dfae9f68bcc1c940c4be2a

SHA-256:
1c8e2ccf23f40dd46a6d330aaf4d387b06605a9ca0ce4038942d0132c4c9c3a3

Scanner detections:
20 / 68

Status:
Adware

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
4/19/2024 2:24:55 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.Downware
2014.11.21

Avira AntiVirus
ADWARE/Adware.Gen
7.11.187.222

AVG
Generic
2015.0.3282

Clam AntiVirus
Win.Adware.Downloadadmin
0.98/21511

Dr.Web
Adware.Downware.2220
9.0.1.0326

ESET NOD32
Win32/DownloadAdmin (variant)
8.10757

Fortinet FortiGate
Riskware/DownloadAdmin
11/22/2014

F-Secure
Adware:W32/WebInstallBundle
11.2014-22-11_7

G Data
Win32.Application.DownloadAdmin
14.11.24

IKARUS anti.virus
Trojan.Dropper
t3scan.1.8.3.0

K7 AntiVirus
Unwanted-Program
13.185.14085

Malwarebytes
PUP.Optional.DownloadAdmin
v2014.11.22.04

McAfee
Artemis!ADF436872ED8
5600.6938

NANO AntiVirus
Riskware.Win32.Downware.djahkt
0.28.6.63474

Qihoo 360 Security
HEUR/QVM42.0.Malware.Gen
1.0.0.1015

Reason Heuristics
PUP.Tightrope.Bundler
15.5.3.0

Sophos
Generic PUA AF
4.98

Trend Micro House Call
Suspicious_GEN.F47V1120
7.2.326

VIPRE Antivirus
DownloadAdmin
34972

File size:
822.6 KB (842,360 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Tightrope WebInstall (using Nullsoft Install System)

Language:
Language Neutral

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

Digital Signature
Signed by:
Sanflex

Authority:
VeriSign, Inc.

Valid from:
7/22/2014 3:00:00 AM

Valid to:
7/22/2017 2:59:59 AM

Subject:
CN=Sanflex, O=Sanflex, L=SAN FRANCISCO, S=California, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
42D7699269B5BB95341F5DA022F6E57D

File PE Metadata
Compilation timestamp:
7/15/2014 7:29:31 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:gxpJfslZtuaVd9lpmhwQbift489IVGD4xJFl6Xqb5Kbmkg8SUA:Ep9sVuaVdvgVbmgGDijyikg5x

Entry address:
0x3345

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, B0, 73, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, C0, 70, 40, 00, 53, FF, 15, 88, 72, 40, 00, 6A, 08, A3, B8, 3C, 42, 00, E8, 2E, 25, 00, 00, 53, 68, 60, 01, 00, 00, A3, C0, 3B, 42, 00, 8D, 44, 24, 38, 50, 53, 68, 43, 74, 40, 00, FF, 15, 64, 71, 40, 00, 68, 38, 74, 40, 00, 68, C0, 33, 42, 00, E8, 1F, 24, 00, 00, FF, 15, BC, 70, 40, 00, 50, BF, 00, 90, 42, 00, 57, E8, 0D, 24, 00, 00...
 
[+]

Entropy:
7.4903

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file installer_adobe_flash_player_english.exe has been seen being distributed by the following 5 URLs.

http://freempr9.jrcaaa.com/down.php?p=REVENUE&trckid=006629389015945190588

http://clkmon.com/.../sa?cid=11021-500082015223000000&pid=11021&q=clasificacion, tipos

http://clkmon.com/.../sa?cid=MK1VIOOZCOPOP&pid=&q=Lates, Cenima, movies, free, streaming, online

http://clkmon.com/.../sa?cid=SUPER-CRSRDR-200146316917000000&pid=11021&q=Coberturas de Chocolate en Chile, Costa, Ambrosoli, Professional Choc, Cat?logo

http://clkmon.com/.../sa?cid=SUPER-CRSRDR-500082021022000000&pid=11021&q=???????????????????????????????????????

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