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bootinst_w7ldr.exe

The executable bootinst_w7ldr.exe has been detected as malware by 10 anti-virus scanners. The file has been seen being downloaded from popcash.net and multiple other hosts.
MD5:
590c2f76c7ec2ab6ea2639d97c22033d

SHA-1:
b9d6df7616aced10df32c00f1844a0926d7a001b

SHA-256:
e945f98f86ed193718be8785e63ab94b670c8e0f354877ccb0652d4750783ebe

Scanner detections:
10 / 68

Status:
Malware

Analysis date:
5/16/2024 11:42:46 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

avast!
Win32:Agent-AODJ [Trj]
160209-0

AVG
Worm/Delf.KHX
2015.0.4477

Dr.Web
Trojan.Inject1.28681
9.0.1.05190

Emsisoft Anti-Malware
Worm.Generic.377772
10.0.0.5366

ESET NOD32
Win32/Delf.NRJ worm
7.0.302.0

F-Prot
W32/Renamer.A.gen
4.6.5.141

Kaspersky
Virus.Win32.Renamer
15.0.0.562

McAfee
Virus.W32/Gnamer
18.0.204.0

Microsoft Security Essentials
Threat.Undefined
1.213.5613.0

Norman
Worm.Generic.377772
08.02.2016 04:24:12

File size:
521.5 KB (534,016 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\windows\temp\rarsfx0\bootinst_w7ldr.exe

File PE Metadata
OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:ErMIztyCK5x8CBmn+RrNbEyWYa0Ie1vUx9V5:2ZyCA8CBmn+RrNj9ay5I5

Entry address:
0x72814

Entry point:
55, 8B, EC, 83, C4, F0, 53, B8, 14, 0E, 47, 00, E8, 43, 4A, F9, FF, 8B, 1D, 30, 53, 47, 00, 8B, 03, E8, 06, 60, FE, FF, 8B, 03, C6, 40, 5B, 00, 8B, 03, B2, 01, E8, 3B, 7D, FE, FF, 8B, 0D, 5C, 52, 47, 00, 8B, 03, 8B, 15, E0, 0A, 47, 00, E8, FC, 5F, FE, FF, 8B, 0D, 68, 53, 47, 00, 8B, 03, 8B, 15, 90, 05, 47, 00, E8, E9, 5F, FE, FF, 8B, 03, E8, 62, 60, FE, FF, 5B, E8, C0, 28, F9, FF, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
6.6095

Developed / compiled with:
Microsoft Visual C++

Code size:
451 KB (461,824 bytes)

The file bootinst_w7ldr.exe has been seen being distributed by the following 3 URLs.

http://popcash.net/world/sgo/34286/65873/de70a980d6829729/.../Y2F0PTM4LDEwNywxMjEsMTI5LDI5MyZjbGllbnRJZD00MTg3NWIwNy0zMzZjLTRkNTUtOTU3OC02MGM2Y2VkNDM3NmUmbD1odHRwJTNBJTJGJTJGd3d3LmF6bHlyaWNzLmNvbSUyRmx5cmljcyUyRm9uZWRpcmVjdGlvbiUyRmtpc3N5b3UuaHRtbCZyPWh0dHAlM0ElMkYlMkZ3d3cuYXpseXJpY3MuY29tJTJGbyUyRm9uZWRpcmVjdGlvbi5odG1sJmt3PUtpc3MlMjBZb3UlMjBseXJpY3MlMkMlMjBPTkUlMjBESVJFQ1RJT04lMjBLaXNzJTIwWW91JTIwbHlyaWNzJTJDJTIwT05FJTIwRElSRUNUSU9OJTIwbHlyaWNz

http://105.203.253.152/.../PC_Faster_Setup_Mini_GL.exe

http://byvue.com/?a=500382&c=1210086&m=28&s1=

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