About “Win32.Expiro.Gen.6 (B)” infection

The Win32.Expiro.Gen.6 (B) is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

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What Win32.Expiro.Gen.6 (B) virus can do?

• Executable code extraction
• At least one process apparently crashed during execution
• Creates RWX memory
• A process attempted to delay the analysis task.
• Expresses interest in specific running processes
• Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
• Drops a binary and executes it
• The binary likely contains encrypted or compressed data.
• Attempts to stop active services
• Attempts to repeatedly call a single API many times in order to delay analysis time
• Installs itself for autorun at Windows startup
• Exhibits possible ransomware file modification behavior
• Likely virus infection of existing system binary
• Attempts to identify installed AV products by registry key
• Checks the system manufacturer, likely for anti-virtualization
• Attempts to disable Windows Defender
• Attempts to modify or disable Security Center warnings
• Attempts to modify user notification settings

How to determine Win32.Expiro.Gen.6 (B)?

File Info:
crc32: BCAEDD81
md5: 0aa1df6b5075abfbdc34578081f62324
name: 0AA1DF6B5075ABFBDC34578081F62324.mlw
sha1: c4994b28a09d852ca4eb62f37fbea00b75f654b3
sha256: 5deb09e412781dd2e4d5fd33029f976cfd0c3c1c4c5aaacc06f16ccc60e17af0
sha512: f41748845a98299cc97733841653567f0489c949f89c0f52730752064c65958d0e156848178620182dd6daba6d3e0a9e9253d35551d40cc86775521496903ebe
ssdeep: 12288:hU6S8/CwJTfeT8Q7remZTQo5Wo003g0AwHiHPKcMIk1W94:hU6S83MRremZTQo5Wo0B02+IeW
type: PE32 executable (console) Intel 80386, for MS Windows

Version Info:
LegalCopyright: xa9 Microsoft Corporation. All rights reserved.
InternalName: cmd
FileVersion: 6.1.7601.23403 (win7sp1_ldr.160325-0600)
CompanyName: Microsoft Corporation
ProductName: Microsoftxae Windowsxae Operating System
ProductVersion: 6.1.7601.23403
FileDescription: Windows Command Processor
OriginalFilename: Cmd.Exe
Translation: 0x0409 0x04b0

Win32.Expiro.Gen.6 (B) also known as:

How to remove Win32.Expiro.Gen.6 (B)?

• Download and install GridinSoft Anti-Malware.
• Open GridinSoft Anti-Malware and perform a “Standard scan“.
• “Move to quarantine” all items.
• Open “Tools” tab – Press “Reset Browser Settings“.
• Select proper browser and options – Click “Reset”.
• Restart your computer.