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ysitebuilder.exe

The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from l.yimg.com.
MD5:
a633b039b2b5dc7f71aa98ab076388e5

SHA-1:
90f36e6697071abe3db9c6967ff9f697d003fb9e

SHA-256:
333235a29e2285bbb6e97a636bab59fb95bfdf6b4784737dd450a88d77f2628d

Scanner detections:
2 / 68

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

Analysis date:
4/25/2024 9:12:26 AM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Trojan.Starter.4238
9.0.1.096

Trend Micro House Call
Suspicious_GEN.F47V0404
7.2.127

File size:
14.5 MB (15,194,879 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

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

File PE Metadata
Compilation timestamp:
4/7/2006 10:59:42 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
393216:l+5y1wu63wUDIirQDC0HTxKEq1Oe+ZCimmxwgOLX:lwAwuISC0HToF1Oe+ZRNOLX

Entry address:
0x3166

Entry point:
81, EC, 7C, 01, 00, 00, 53, 55, 56, 33, F6, 57, 89, 74, 24, 18, BD, 40, 92, 40, 00, C6, 44, 24, 10, 20, FF, 15, 30, 70, 40, 00, 56, FF, 15, 70, 72, 40, 00, A3, D0, F0, 42, 00, 56, 8D, 44, 24, 30, 68, 60, 01, 00, 00, 50, 56, 68, 60, 98, 42, 00, FF, 15, 58, 71, 40, 00, 68, 30, 92, 40, 00, 68, 20, E8, 42, 00, E8, 14, 28, 00, 00, BB, 00, 64, 43, 00, 53, 68, 00, 04, 00, 00, FF, 15, B4, 70, 40, 00, E8, 64, FF, FF, FF, 85, C0, 75, 24, 68, FB, 03, 00, 00, 53, FF, 15, B0, 70, 40, 00, 68, 28, 92, 40, 00, 53, E8, FF...
 
[+]

Entropy:
7.9991

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file ysitebuilder.exe has been seen being distributed by the following URL.

http://l.yimg.com/lm/hosting/.../ysitebuilder.exe

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