fl_update_15.exe

The executable fl_update_15.exe has been detected as malware by 9 anti-virus scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer, however the file is not signed with an authenticode signature from a trusted source. The file has been seen being downloaded from doc-0g-9g-docs.googleusercontent.com and multiple other hosts.
MD5:
65a057252f8ec1b313fbcad7d6993324

SHA-1:
0d1cedd88fbdc25b1a1062de0218f3a48849bd59

SHA-256:
6999a8b181b4d936a6dff0f8da93051c5351d72bd94a745da26d80729b20b64f

Scanner detections:
9 / 68

Status:
Malware

Analysis date:
12/26/2024 2:12:31 AM UTC  (today)

Scan engine
Detection
Engine version

Baidu Antivirus
Trojan.JS.ExtenBro.bAgent
4.0.3.14712

Clam AntiVirus
Win.Trojan.Agent-751031
0.98/19086

Comodo Security
UnclassifiedMalware
18849

Dr.Web
infected with Trojan.Click3.8763
9.0.1.05190

ESET NOD32
JS/ExtenBro.Agent.P trojan
7.0.302.0

Malwarebytes
Trojan.Agent
v2014.07.12.12

Qihoo 360 Security
Script/Trojan.81f
1.0.0.1015

Trend Micro House Call
Suspicious_GEN.F47V0706
7.2.193

Trend Micro
BREX_MALEXT.A
10.465.12

File size:
164.1 KB (168,040 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\downloads\fl_update_15.exe

File PE Metadata
Compilation timestamp:
12/5/2009 11:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
1536:wQpQ5EP0ijnRTXJ9TC2/besleH8OIFKRyMhhd/dfhXQAb:wQIURTXJdtDes+8OIF6yM1F7b

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...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file fl_update_15.exe has been seen being distributed by the following 9 URLs.

Remove fl_update_15.exe - Powered by Reason Core Security