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windrv_1307.exe

The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from downloads.otweak.com and multiple other hosts.
MD5:
d5304694d4548caddc02d94b7b2b0b2d

SHA-1:
dc5717d057994ef6e3c8d9e85b7b9a596163d16d

SHA-256:
dea347cf88d35d3a89c60cf000cb6d38e53d9af20fc8a66b237b76357d511723

Scanner detections:
2 / 68

Status:
Inconclusive  (not enough data for an accurate detection)

Analysis date:
5/16/2024 12:21:16 PM UTC  (today)

Scan engine
Detection
Engine version

Baidu Antivirus
Trojan.Win32.Avc
4.0.3.141022

Dr.Web
Program.Unwanted.114
9.0.1.0295

File size:
3.2 MB (3,333,278 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\downloads\windrv_1307.exe

File PE Metadata
Compilation timestamp:
12/5/2009 4:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
98304:8vdL+xLHqLJvh8k5Y7ImG5h3/iAPKM6eIrs:k6Jqb8koImG5h3/iu56eIs

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, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9947

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file windrv_1307.exe has been seen being distributed by the following 4 URLs.

http://downloads.otweak.com/distr/dup/.../DriverUpdaterPro.exe

http://downloads.otweak.com/dup/.../WinDRV_1307.exe

http://www.devosphere.com/usa1.php?file=emachines_e180hv

http://downloads.otweak.com/dup/.../Drvwin06018x.exe

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