flvplayer.exe

VASSANA KONGSOONGNERN

This is the setup program for CoolMirage, a potentially unwanted program (PUP) that display ads on the computer. The application flvplayer.exe by VASSANA KONGSOONGNERN has been detected as adware by 11 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The setup installer will bundle multiple adware offers during download and setup (based on the user's geographical location) including toolbars, extensions and coupon utilities. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from directddl.installdaddysa.netdna-cdn.com and multiple other hosts.
Publisher:
VASSANA KONGSOONGNERN  (signed and verified)

MD5:
39bfcd8da1f2351d5adedfbfc3fc845f

SHA-1:
0ec0b9375d078a9fc15eed4c5a5c1632b841c9f1

SHA-256:
91833769c20ff8403d67a23e090c4c06dc718c6056576ed2e9a18112c8d47610

Scanner detections:
11 / 68

Status:
Adware

Explanation:
Bundles a number of adware programs in the installer.

Analysis date:
11/24/2024 8:22:42 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/Adware.Gen
7.11.198.230

AVG
Generic
2015.0.3243

Baidu Antivirus
Adware.NSIS.Yontoo
4.0.3.141231

Dr.Web
Adware.Downware.8319
9.0.1.0365

K7 AntiVirus
Adware
13.188.14496

Kaspersky
not-a-virus:AdWare.NSIS.Yontoo
14.0.0.2711

NANO AntiVirus
Trojan.Nsis.Yotoon.deckrr
0.30.0.64448

Panda Antivirus
Generic Suspicious
14.12.31.09

Reason Heuristics
PUP.VASSANAKONGSOONGNERN.J
14.12.31.21

Sophos
CoolMirage
4.98

VIPRE Antivirus
CoolMirage Ltd
36258

File size:
395.1 KB (404,552 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\flvplayer.exe

Digital Signature
Authority:
Thawte, Inc.

Valid from:
10/5/2014 6:00:00 PM

Valid to:
10/6/2015 5:59:59 PM

Subject:
CN=VASSANA KONGSOONGNERN, OU=Individual Developer, O=No Organization Affiliation, L=Phuket, S=Phuket, C=TH

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
7E630B1125BFC2AAB3F8750B7348F18B

File PE Metadata
Compilation timestamp:
12/5/2009 3:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:7sBKaZf15XWH5U1WGWARbKLpSMoS+820PqgSlhJ3b5igPiU:SBbS4bJfT820igSJssV

Entry address:
0x323C

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 30, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 58, 3F, 42, 00, E8, 09, 2C, 00, 00, A3, A4, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 58, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, B8, 91, 40, 00, 68, A0, 36, 42, 00, E8, BC, 28, 00, 00, FF, 15, B0, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, AA, 28, 00, 00...
 
[+]

Entropy:
7.8563

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file flvplayer.exe has been seen being distributed by the following 2 URLs.

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