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rx0ls0o90.exe

Xin Zhou

The executable rx0ls0o90.exe has been detected as malware by 1 anti-virus scanner. This is a setup program which is used to install the application. The file has been seen being downloaded from dgkytklfjrqkb.cloudfront.net.
Publisher:
Xin Zhou  (signed and verified)

MD5:
aff101483647a62e5df3e8a69cb2da47

SHA-1:
e277ff6c257ae9cb2db4e29663e2d6d49764bbb0

SHA-256:
78c1af68e68c5c386af57c32bf062372e675f4693e9a5602e7e24b441be5b4ca

Scanner detections:
1 / 68

Status:
Malware

Analysis date:
5/7/2025 2:24:49 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
16.12.16.11

File size:
409.5 KB (419,376 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\rx0ls0o90.exe

Digital Signature
Signed by:
Xin Zhou

Authority:
thawte, Inc.

Valid from:
12/9/2016 1:00:00 AM

Valid to:
3/23/2017 12:59:59 AM

Subject:
CN=Xin Zhou, OU=Individual Developer, O=No Organization Affiliation, L=Beijing, S=Beijing, C=CN

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
21E89FFE9CD0EE79FC3C330FA43474D0

File PE Metadata
Compilation timestamp:
12/11/2016 3:22:08 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0x4CA2

Entry point:
E8, 08, 2F, 00, 00, E9, 2D, 8F, 00, 00, 55, 8B, EC, 8B, 45, 08, C7, 01, 68, E1, 45, 00, 8B, 00, 89, 41, 04, 8B, C1, C6, 41, 08, 00, 5D, C2, 08, 00, 55, 8B, EC, 83, 3D, 3C, 17, 46, 00, 00, B8, 38, 17, 46, 00, 74, 10, 8B, 4D, 08, 39, 08, 74, 0D, 83, C0, 08, 83, 78, 04, 00, 75, F3, 33, C0, 5D, C3, 8B, 40, 04, 5D, C3, 55, 8B, EC, 83, EC, 0C, 8B, 45, 08, 8D, 4D, F4, 89, 45, 08, 8D, 45, 08, 50, E8, 4A, D6, FF, FF, 68, 2C, 2E, 46, 00, 8D, 45, F4, C7, 45, F4, 44, 16, 46, 00, 50, E8, CB, CF, FF, FF, CC, 55, 8B, EC...
 
[+]

Code size:
367.5 KB (376,320 bytes)

The file rx0ls0o90.exe has been seen being distributed by the following URL.

http://dgkytklfjrqkb.cloudfront.net/.../yomz.exe

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